{"title":"Refractors","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eA \u003c\/span\u003e\u003cstrong\u003erefractor telescope\u003c\/strong\u003e\u003cspan\u003e offers crisp, high-contrast views with minimal maintenance, making it ideal for beginners and seasoned astronomers alike. They deliver stunning detail on planets, the Moon, and deep-sky objects. Whether for astrophotography or casual stargazing, a refractor provides sharp images with effortless ease of use.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"toa-130s-5-1-f-7-7-ortho-apochromat-triplet-refractor-ota","title":"Takahashi TOA-130NS 5.1\" f\/7.7 Ortho-Apochromat Triplet Refractor OTA","description":"\u003cp\u003eThis performance of this Takahashi 5.1\" ED triplet refractor is too good to let it be called simply an apochromatic scope. Only the term ortho-apochromatic is accurate enough to describe its optical excellence.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Takahashi TOA-130 refractor optical tube has: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e • 130mm f\/7.7 Ortho-Apochromat triplet optics with dual ED elements \u003cbr\u003e• 2.7\" rack and pinion focuser with 1.25\" eyepiece adapter \u003cbr\u003e• retractable dew shield \u003cbr\u003e• 250mm of back focus for CCD and film imaging \u003cbr\u003e• state-of-the-art optical performance, exceeding even fluorite scopes\u003cbr\u003e• 5-year warranty \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e    The Takahashi TOA-130 refractor provides exceptionally high optical and mechanical quality for the serious observer who needs optics of reasonable portability. The TOA-130 is exceptional for observing and imaging within the solar system. Its images of subtle lunar and planetary details are sharp, with realistic and highly saturated color. They are free from chromatic aberration's violet haze of spurious color, thanks to the scope's ED triplet optics. The latest antireflection multicoatings and numerous knife-edge internal baffles assure the maximum image contrast possible. \u003c\/p\u003e\n\u003cp\u003eThis 5.1\" Takahashi has a large aperture and diffraction-free images that make it surprisingly good for much deep space observing, as well. Binary stars and globular star clusters are particularly well-resolved and vivid, with the contrasting colors of many binary systems showing nicely. The brighter nebulas and galaxies stand out against a very dark sky background. \u003c\/p\u003e\n\u003cp\u003eThe TOA-130's f\/7.7 focal ratio and 1000mm focal length is long enough, using a Takahashi 2.8mm ED eyepiece to provide 357x, for high magnification observations of the Moon and planets, yet it will also produce a huge 2.5° field at 20x, using a 2\" Takahashi 50mm eyepiece.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Optical and Mechanical Systems . . . \u003c\/strong\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApochromatic triplet ED refractor optics:\u003c\/strong\u003e 130mm (5.1\") aperture, 1000mm focal length, f\/7.7 Ortho-Apochromatic triplet lens using two FPL-53 ED (Extra-low Dispersion) glass elements flanking a crown glass element for pinpoint stars and images that are free from spurious color (chromatic aberration).\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulticoated optics: \u003c\/strong\u003eFully coated on all surfaces with multiple layers of antireflection materials for high light transmission and good contrast.\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetractable dew shield: \u003c\/strong\u003eSlows the formation of dew on the lens to extend your undisturbed observing time. Also improves visual and photographic contrast by shielding the lens from off-axis ambient light (the neighbor's yard light, moonlight, etc.) For transport, the retractable lens shade keeps the overall length of the optical tube to a manageable 32\" when it is retracted and the visual extension tube removed.\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRack and pinion focuser: \u003c\/strong\u003e2.7\" focuser, with a 2\" eyepiece\/accessory holder that threads into the 2.7\" focuser drawtube. A 1.25\" compression ring eyepiece\/star diagonal holder is also supplied. The non-marring soft nylon compression ring of the 1.25\" eyepiece holder won't scratch the barrels of your accessories or star diagonal, as ordinary thumbscrews can. Dual focusing knobs provide precise image control with either hand. The large focus knobs are easy to operate, even while wearing gloves or mittens in cold weather. \u003cbr\u003eThe 2.7\" focuser yields a 40mm image circle for virtually unvignetted 35mm prime focus photography. For medium format camera use, the TOA-130 is also available in a 4\" focuser version (#TOA-131) that provides a 92mm image circle. A large thumbscrew locks the focuser tube in place without image shift at the correct photographic focus. \u003cbr\u003eA useful photographic accessory would be the Takahashi #CAA102 camera angle adjuster, shown below. This attaches to the 2.7\" focuser drawtube in place of the 2\" eyepiece holder. It allows the photographic accessory train to be rotated to the most appropriate angle to frame the object being photographed (a landscape format, portrait, or any angle in between) without having to loosen the camera adapter and perhaps lose the correct focus. Once the camera is oriented correctly, a large knob on the side of the adjuster can be tightened to hold the camera in place during the exposure.\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinderscope mounting point: \u003c\/strong\u003eNo finderscope is supplied, but a flat boss with two mounting bolt holes is provided on the top of the focuser body for mounting an optional finderscope. The Takahashi 7x50mm 6.2° field finder and bracket shown below are recommended.\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong back focus: \u003c\/strong\u003eBack focus is a very good 250mm, allowing the stacking of a wide variety of CCD cameras, color filter wheels, electric focusers, camera angle adjusters, and film cameras.\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional photographic accessories: \u003c\/strong\u003eThree accessories are available to provide a variety of image scales and sky coverage: a field flattener, a focal reducer, and an extender. The field flattener reduces the focal ratio slightly (to f\/7.53) and gives pinpoint stars to the very edges of the 40mm (2.3°) image circle for virtually unvignetted 35mm images. The focal reducer effectively cuts the focal length to 750mm and the focal ratio to f\/5.76. The photographic field is now 3.8°, spread over a 50mm image circle for totally non-vignetted 35mm photography. A 1.6x extender (which can also be used visually) effectively increases the focal length to 1600mm and the focal ratio to f\/12.3. The photographic field is 1.4° with this extender in use. A variety of photographic coupling attachments and eyepiece projection photography adapters are also available.\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting rings: \u003c\/strong\u003eNo mounting rings are supplied for the 155mm diameter optical tube. Two options are available. One is the Takahashi tube holder (#130TH) shown below that is designed specifically for mounting the TOA-130 on a Takahashi EM-200 or larger equatorial mount. The second option is a pair of Parallax split mounting rings (#PFS152), also shown below, for mounting on a non-Takahashi mount, such as a Losmandy G-11.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003eThe image above shows the scope with an optional 7 x 50mm finderscope. The feature image below shows the rear cell of the scope as supplied, without the optional finderscope.\u003c\/p\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBinary and Star Cluster Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eVery Good\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1000mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/7.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGalaxy and Nebula Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e278x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLunar Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGreat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e22 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlanetary Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eVery Good\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e0.89 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e13.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Takahashi","offers":[{"title":"Default Title","offer_id":40221634592841,"sku":"TOA130","price":6000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/3696_1.jpg?v=1662966721"},{"product_id":"fs-60cb-2-4-f-5-9-fluorite-doublet-apo","title":"Takahashi FS-60CB 2.4\" f\/5.9 Fluorite Doublet APO Refractor","description":"\u003cp\u003eThis compact Takahashi refractor optical tube makes an ideal eclipse scope and a super travel and backyard scope for spur-of-the-moment observing. It uses a 60mm f\/5.9 fast focal ratio air-spaced doublet optical system. The front element is a laboratory-grown calcium fluorite crystal lens with hard multicoatings for maximum light transmission. The rear element is hard multicoated low dispersion flint glass. The combination of fluorite crystal and low dispersion glass provide absolutely superb apochromatic color correction that is visibly better than any ED glass doublet scope. Color correction is on a par with far more costly triplet systems, but the light transmission is higher than any triplet apochromatic system, due to the smaller number of optical elements to scatter and absorb light. This Takahashi optical tube uses a series of internal knife-edge baffles to block stray off-axis light for the highest possible image contrast. \u003c\/p\u003e\n\u003cp\u003eExperienced observers sometimes report that the scope's high contrast\/diffraction-limited optics can be used at magnifications of over 100x per inch of aperture on suitably bright objects (the Moon and planets) on nights of exceptional seeing. Of course, we can't guarantee you'll be able to reach this kind of magnification level with any sort of regularity with this Takahashi (it would take the equivalent of a 1.5mm eyepiece and would produce a very dim 0.25mm exit pupil), but the possibility of very high magnification is there.\u003c\/p\u003e\n\u003cp\u003eThe smooth Takahashi rack and pinion focuser has large ribbed focusing knobs that are easy to grip and operate in cold weather, even when wearing gloves. The optical tube has a flat boss above the focusing knobs, with two mounting bolts to hold an optional finderscope, such as the straight-through Takahashi 5 x 25mm with its very wide 9° field. The supplied 1.25\" eyepiece holder uses a non-marring nylon split compression ring system to hold your star diagonal or eyepiece in place. This system won't scratch the barrel of your eyepiece or star diagonal, as an ordinary brass or steel thumbscrew can. A simple twist of the ribbed ring at the end of the focuser drawtube tightens the internal compression ring to hold your diagonal firmly in place; while a twist in the opposite direction lets you remove it with ease.\u003c\/p\u003e\n\u003cp\u003eThe Takahashi optical tube itself weighs less than three lbs. It measures only 17\" long with dew shield in place. The optical tube is 80mm in diameter and an optional tube holder is available to fit the scope on a Takahashi mount (such as the altazimuth #TGS01 or the very compact #TGUL Teegul Sky Patrol equatorial).\u003c\/p\u003e\n\u003cp\u003eThe 60mm Takahashi FS-60C. Expensive for a 60mm optical tube? Yes. Worth it? Emphatically yes.\u003c\/p\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2.4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e355mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/5.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeaviest Single Component\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2.9 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e118x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2.9 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.95 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e10.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Takahashi","offers":[{"title":"Default Title","offer_id":40221639999561,"sku":"FS60","price":810.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/4192_1.jpg?v=1662966898"},{"product_id":"powerseeker-60-2-4-altazimuth-refractor","title":"Celestron PowerSeeker 60, 2.4\" Altazimuth Refractor  21041","description":"\u003cp\u003eThe Celestron PowerSeeker 60 altazimuth refractor is a \u003cem\u003every \u003c\/em\u003eeconomical introduction to casual astronomy and nature study for the backyard astronomer, but one that can supply good images of nature, the Moon, the planets, and many of the brighter deep space objects.\u003c\/p\u003e\n\u003cp\u003eThe 60mm altazimuth Celestron PowerSeeker is a good choice for a beginning astronomer who also has an eye for nature. Its sensibly-priced refractor optical system is a good way to begin your journey into the night sky, providing you with high contrast views of the Moon and planets.\u003c\/p\u003e\n\u003cp\u003eThe construction of the optical system is quite good, as the PowerSeeker has all-glass optical components, with high transmission coatings for enhanced image brightness and clarity. The altitude slow motion control of the telescope's mount comes in handy for keeping objects in view as they move across the night sky.\u003c\/p\u003e\n\u003cp\u003eOnce you have scanned your way through the solar system and the Milky Way, you can use the PowerSeeker to look at things closer to home. The altazimuth mount will let you easily track objects on the ground and allow you to get a closer look at nature and your surroundings.\u003c\/p\u003e\n\u003cp\u003eThe Celestron PowerSeeker 60 has a light grasp 76 times that of the sharpest eye. Combine that light grasp with its two eyepieces (a 20mm and a 4mm) and 3x Barlow lens, and you have the ability to see many, many celestial and terrestrial objects that are simply invisible to the unaided eye. It can open a whole new world to you, at a price well within reach and reason.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis PowerSeeker Telescope's Optical System . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRefractor optical tube:\u003c\/strong\u003e 60mm (2.4\") aperture air-spaced two-element crown and flint glass achromatic lens. 700mm focal length f\/12 all-glass optics. No plastic lenses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCoated optics:\u003c\/strong\u003e The objective lens has antireflection coatings on all surfaces for high light transmission and good contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDew shield:\u003c\/strong\u003e A dew shield (an extension of the optical tube that's threaded onto the front of the objective lens) slows the formation of dew on the lens in cold weather. This extends your undisturbed observing time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRack and pinion focuser:\u003c\/strong\u003e The 1.25\" focuser has dual focusing knobs for precise image control with either hand. The large focus knobs are easy to operate, even while wearing gloves or mittens in cold weather.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStar diagonal:\u003c\/strong\u003e The 90° viewing angle 1.25\" star diagonal (eyepiece holder) allows comfortable viewing when looking overhead at the sky. It has a built-in image erecting prism that provides right-reading images that show you the sky and lunar features oriented the same way you see them through binoculars or with your unaided eye.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo eyepieces:\u003c\/strong\u003e You get a high power 1.25\" 4mm (175x) eyepiece and a low power 1.25\" 20mm (35x) with a 1.3° field of view (almost three times the diameter of the full Moon). Both eyepieces have antireflection coatings on their lens surfaces for sharp images and good contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBarlow lens:\u003c\/strong\u003e A 1.25\" 3x Barlow lens is included that triples the magnification of the two supplied eyepieces to 105x and 525x. The 525x magnification of the 4mm eyepiece\/Barlow combination is realistically far beyond the scope's usable magnification capability, however. Do not count on using that optical combination very often, if at all. A lower power eyepiece, such as a 40mm (17.5x; 52.5x with the Barlow), would provide a pair of magnifications more useful than the 525x of the 4mm and Barlow combination.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinderscope:\u003c\/strong\u003e A low power 5x24mm finderscope attaches to the side of the optical tube. The straight-through viewing refractor finderscope provides a traditional inverted mirror-image astronomical view. If properly collimated (aligned) with the view through the main telescope, its crosshairs will help you center distant objects in the telescope so you don't have to search for them using the narrow eyepiece field of view.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis PowerSeeker Telescope's Mount . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAltazimuth mount:\u003c\/strong\u003e The altazimuth mount provides right\/left and up\/down motions. This is suitable for casual astronomical observing, and will let you easily track objects on the ground to allow you to get a closer look at nature and your surroundings. A knob at the base of the mount allows you to lock the tube in place or to adjust the drag on the scope during right\/left motions. This lets you control how smoothly the mount moves as you manually push the tube left or right to follow objects moving through the sky or on the land.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAltitude slow motion control rod:\u003c\/strong\u003e A threaded rod with a knurled control nut provides vertical slow motion control while following objects across the sky. Turning the control nut moves the scope up or down in small increments. The control rod has a locking knob that can be easily released so you can quickly move the scope vertically from object to object.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTripod:\u003c\/strong\u003e The lightweight aluminum tripod easily adjusts for standing or seated observations through the telescope. The tripod includes an accessory shelf that holds your eyepieces and Barlow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo year warranty:\u003c\/strong\u003e As an expression of Celestron's confidence in the quality of their products, the PowerSeeker is protected by Celestron's two-year limited warranty against flaws in materials and workmanship.\u003c\/p\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2.4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e700mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e117x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e7 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.9 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplied Eyepiece\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e20mm, 4mm, 3x Barlow 1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eView Finder\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5 x 24mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e11.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e60mm aperture achromatic refractor optical tube with fully coated optics and 1.25\" rack and pinion focuser\u003c\/li\u003e\n\u003cli\u003eAltazimuth mount with manual slow-motion control in altitude and locks on both axes\u003c\/li\u003e\n\u003cli\u003e4mm (175X) and 20mm (35X) eyepieces\u003c\/li\u003e\n\u003cli\u003e90° 1.25\" erect image star diagonal\u003c\/li\u003e\n\u003cli\u003e3x 1.25\" Barlow lens\u003c\/li\u003e\n\u003cli\u003e5 x 24mm straight-through finderscope\u003c\/li\u003e\n\u003cli\u003eOperating instructions\u003c\/li\u003e\n\u003cli\u003eTheSkyX CD-ROM software\u003c\/li\u003e\n\u003cli\u003eAdjustable height aluminum tripod with accessory tray.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":40221649305673,"sku":"PS60A","price":99.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/8265_1.jpg?v=1662967212"},{"product_id":"powerseeker-60-eq-2-4-equatorial-refractor","title":"Celestron PowerSeeker 60 EQ, 2.4\" Equatorial Refractor","description":"\u003cp\u003eThe PowerSeeker 60 equatorial refractor is a \u003cem\u003every \u003c\/em\u003eeconomical introduction to astronomy for the beginning backyard astronomer. It is capable of providing good images of the Moon, the planets, and many of the brighter deep space objects.\u003c\/p\u003e\n\u003cp\u003eThis Celestron PowerSeeker 60EQ telescope is a 60mm equatorial refractor that's a good choice for a beginning astronomer who wants to do some casual looking at the sights of the solar system . . . and beyond. It uses achromatic optics to provide you with good high contrast views of the Moon, planets, binary stars, and star clusters – as well as many of the brighter nebulas and even some galaxies.\u003c\/p\u003e\n\u003cp\u003eThe construction of the optical system is quite good, as the PowerSeeker has all-glass optical components, with high transmission coatings for enhanced image brightness and clarity. The equatorial mount has slow motion controls in both axes, to let you easily track objects across the sky.\u003c\/p\u003e\n\u003cp\u003eThe PowerSeeker 60 has a light grasp 76 times that of the sharpest eye. Combine that light grasp with its two eyepieces (a 20mm and a 4mm) and 3x Barlow lens, and you have the ability to see many, many celestial sights that are simply invisible to the unaided eye. It can open a whole new world to you, at a surprisingly affordable price.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Optical System . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRefractor optical tube:\u003c\/strong\u003e 60mm (2.4\") aperture air-spaced two-element crown and flint glass lens. 900mm focal length f\/15 all-glass optics. No plastic lenses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCoated optics:\u003c\/strong\u003e The objective lens has antireflection coatings on all surfaces for high light transmission and good contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDew shield:\u003c\/strong\u003e A dew shield (an extension of the optical tube that's threaded onto the front of the objective lens) slows the formation of dew on the lens in cold weather. This extends your undisturbed observing time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRack and pinion focuser:\u003c\/strong\u003e The 1.25\" focuser has dual focusing knobs for precise image control with either hand. The large focus knobs are easy to operate, even while wearing gloves or mittens in cold weather.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStar diagonal:\u003c\/strong\u003e The 90° viewing angle 1.25\" star diagonal (eyepiece holder) allows comfortable viewing when looking overhead at the sky. It has a built-in image erecting prism that provides right-reading images that show you the sky and lunar features oriented the same way you see them through binoculars or with your unaided eye.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo eyepieces:\u003c\/strong\u003e You get a high power 1.25\" 4mm (225x) eyepiece and a low power 1.25\" 20mm (45x) with a 1° field of view (twice the diameter of the full Moon). Both eyepieces have antireflection coatings on their lens surfaces for sharp images and good contrast. The 4mm eyepiece is realistically beyond the scope's usable magnification limit on all but the very rare nights of absolutely perfect seeing conditions. An optional 9mm eyepiece comes closer to providing the highest useful power on a regular basis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBarlow lens:\u003c\/strong\u003e A 1.25\" 3x Barlow lens is included that triples the magnification of the two supplied eyepieces to 135x and 675x. The 675x magnification of the 4mm eyepiece\/Barlow combination is far beyond the scope's usable magnification capability, however. Do not count on using that optical combination very often, if at all. A lower power eyepiece, such as a 40mm (22.5x; 67.5x with the Barlow), would provide a pair of magnifications more useful than the impractical 675x of the 4mm and Barlow combination.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinderscope:\u003c\/strong\u003e A low power 5x24mm finderscope attaches to the side of the optical tube. The straight-through viewing refractor finderscope provides a traditional inverted mirror-image astronomical view. If properly collimated (aligned) with the view through the main telescope, its crosshairs will help you center distant objects in the telescope so you don't have to search for them using the narrow eyepiece field of view.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Mount . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEquatorial mount:\u003c\/strong\u003e The German equatorial mount is designed for astronomical observing. By aligning the mount on the north celestial pole, you only need to turn one slow motion control knob to follow planets and stars as they travel across the sky. A counterweight on the opposite side of the mount from the telescope balances the weight of the optical tube and makes it easy to move the scope effortlessly from one part of the sky to another.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSetting circles:\u003c\/strong\u003e Setting circles (graduated scales marked in either hours and minutes or degrees) are provided in both right ascension (the east\/west position of objects in the sky measured in hours and minutes) and declination (the north\/south position measured in degrees). These allow you to align the scope on the approximate position of an object in the sky by using its r. a. and dec coordinates from a star chart - before you search for it in the finderscope and eyepiece. Setting circles can reduce the time it takes for you to find the fainter and more difficult deep space objects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManual slow motion controls:\u003c\/strong\u003e There are two slow motion control knobs connected to the mount by long flexible cables so they are easy to reach while observing. One controls the scope's motion in right ascension (the east\/west direction in the sky). Turning this knob enables you to follow the motion of celestial objects as they travel from east to west across the sky.\u003c\/p\u003e\n\u003cp\u003eThe second controls the scope's motion in declination (the north\/south direction in the sky). Turning this knob enables you to correct for any north\/south drift a celestial object may take as it drifts across the sky, due to an improper alignment of the scope on the north celestial pole when you first set it up.\u003c\/p\u003e\n\u003cp\u003eThe two controls combine to give you complete access to any part of the sky. They give you the ability to star hop from a known object to any other object by using a star chart. They let you center objects in the field of view, and track them effortlessly with only an occasional quick turn of the r. a. knob.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTripod:\u003c\/strong\u003e The lightweight aluminum tripod easily adjusts for standing or seated observations through the telescope. The tripod includes an accessory shelf that holds your eyepieces and Barlow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo year warranty:\u003c\/strong\u003e As an expression of Celestron's confidence in the quality of their products, the PowerSeeker is protected by Celestron's two-year limited warranty against flaws in materials and workmanship.\u003c\/p\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable class=\"table\" id=\"product-attribute-specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2.4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e900mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e144x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e11 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.9 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplied Eyepiece\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e20mm, 4mm, 3x Barlow 1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eView Finder\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5x24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e11.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2 years \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e60mm aperture achromatic refractor optical tube with fully coated optics and 1.25\" rack and pinion focuser\u003c\/li\u003e\n\u003cli\u003eEquatorial mount with setting circles, manual slow-motion controls, and locks on both axes\u003c\/li\u003e\n\u003cli\u003e4mm (225X) and 20mm (45X) eyepieces\u003c\/li\u003e\n\u003cli\u003e90° 1.25\" erect image star diagonal\u003c\/li\u003e\n\u003cli\u003e3x 1.25\" Barlow lens\u003c\/li\u003e\n\u003cli\u003e5 x 24mm straight-through finderscope\u003c\/li\u003e\n\u003cli\u003eOperating instructions\u003c\/li\u003e\n\u003cli\u003eTheSky X CD-ROM software\u003c\/li\u003e\n\u003cli\u003eAdjustable height aluminum tripod with accessory tray.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":40221649338441,"sku":"PS60E","price":132.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/8266_1.jpg?v=1662967214"},{"product_id":"nexstar-102-slt-102mm-achromatic-go-to-altazimuth-refractor","title":"Celestron NexStar 102 SLT 102mm Achromatic Go-To Altazimuth Refractor","description":"\u003cp\u003eThis product has been discontinued and is no longer available for sale.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe NexStar 102 SLT (Star Locating Telescope) is a big aperture fast focal ratio refractor that shows you bright wide-angle deep space views for a surprisingly small price. If you want a scope that will automatically find the faint fuzzies outside the solar system, this Celestron go-to may be just what you are looking for . . .\u003c\/p\u003e\n\u003cp\u003eIf you want to see the faint fuzzies that populate the skies - the deep space nebulas, galaxies, and open star clusters - but don't know Altair from Zubenelgenubi and wouldn't know which way up to hold a star chart anyway, look no further than this Celestron 102 SLT 4\" go-to refractor.\u003c\/p\u003e\n\u003cp\u003eIts new SkyAlign easy alignment technology and Star Pointer red dot LED finder make lining up on the sky a breeze. Once aligned, the scope's computer hand control will find more than 4,000 celestial objects for you and will track them unerringly while you observe at your leisure. With its pre-assembled adjustable height steel tripod and easy no-tool assembly, the NexStar 102 SLT can be up and ready to take you on a tour of the Universe in a matter of minutes.\u003cbr\u003e\u003cbr\u003eThe 102mm NexStar 102 SLT is almost 60% brighter than an 80mm scope, with 25% higher resolution, for images that are bright and crisp. The huge 1.73° field of its standard eyepiece is superb for scanning wide deep space vistas. It will hold the full Pleiades open star cluster within its field. Put in an optional 40mm eyepiece and you get a 2.5° field wide enough to nearly encompass the great galaxy M31 in Andromeda in its entirety.\u003c\/p\u003e\n\u003cp\u003eWith the excellent resolution of its 4\" optics, views of the Moon and planets within the solar system (as well as close-ups of birds in your back yard) are sharp and detailed. \u003cbr\u003eWhether an entry-level scope for the beginning astronomer, or a second scope for the more-than-casual backyard astronomer, the NexStar 102 SLT has the features and optical performance that will keep any skywatcher happily observing for years to come.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Optical System . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAchromatic refractor optical system:\u003c\/strong\u003e 102mm aperture (660mm focal length f\/6.5) aluminum tube. Multicoated optics for high light transmission and good contrast. A no-tool quick release dovetail connects the tube to the mount for fast set-up and take-down. A good-sized lens shade is provided to shield the lens from ambient light for improved contrast and retard the formation of dew for the maximum uninterrupted observing time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRed dot finder:\u003c\/strong\u003e Star Pointer non-magnifying variable brightness red dot finder on a quick-release dovetail mounting bracket. The Star Pointer is a quick and easy way to point your telescope exactly to the desired object in the sky. There's no need to worry about the inverted images you see through traditional finders. Just align the red dot seen in the Star Pointer with the desired star in the sky and you're done.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFocuser:\u003c\/strong\u003e 2\" rack and pinion with a 1.25\" eyepiece adapter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStar diagonal:\u003c\/strong\u003e 1.25\" 90° prism.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo eyepieces:\u003c\/strong\u003e The first is a 1.25\" 25mm fully coated Kellner (26x). The eyepiece field of view is 1.73° across, almost three and a half times wider than the diameter of the full Moon for expansive views of nebulas, galaxies, open star clusters and terrestrial observing. The second is a 1.25\" 9mm fully coated Kellner (73x) with a 0.61° field for more close-up views of the Moon, planets, and globular star clusters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Mount . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFork mount\/drive system:\u003c\/strong\u003e Single fork arm altazimuth design with pre-installed dual DC servo motor drives. A compartment in the drive base accepts eight user-supplied AA batteries for powering the telescope. Selectable lunar, solar, or sidereal (star) tracking rates, with nine different slewing and centering speeds for locating objects (4°\/sec, 2°\/sec, 1°\/sec, 0.5°\/sec, and 32x\/16x\/8x\/4x\/2x the sidereal rates). For more details, click on the \"SLT mount\" icon in the support tab above.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNexStar computer control:\u003c\/strong\u003e The supplied computer hand control has an illuminated numeric keypad and a two-line 16-character LCD display. It has a database of 4,033 stars and objects, including the complete Messier and Caldwell catalogs of famous deep space objects; a selection of the brightest and best deep space objects from the Revised New General Catalog (NGC); selected SAO stars, including the best variable stars and multiple star systems; the planets; the Moon; and more.\u003c\/p\u003e\n\u003cp\u003eA few keystrokes on the NexStar hand control automatically slews the 102 SLT to any of those 4,033 objects, including over 600 galaxies, 300 star clusters, and dozens of beautiful binary stars. The computer's software can be flash upgraded via the internet so you will always have the most up-to-date software version available.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSkyAlign Technology:\u003c\/strong\u003e With new patent-pending Celestron SkyAlign technology, you don't have to know Altair from Zubenelgenubi or know how to read a star chart to line up your telescope on the sky. Simply input the date, time, and your location into the computer hand control. The computer will normally default to your last observing site automatically, but can remember up to ten different favorite observing locations for you to choose from.\u003cbr\u003e\u003cbr\u003eOnce you've entered the date, time, and location, use the Star Pointer red dot finder to align the telescope on any three bright stars, or to two stars and a bright planet or the Moon. The NexStar computer system will automatically determine which objects were chosen and then generate an internal map of the sky that lets it move automatically to any star or object you select for the rest of the night.\u003cbr\u003e\u003cbr\u003eAfter the scope has aligned itself with the sky, it takes only a few keystrokes on the computer hand control to have the scope move automatically to your night's first observing target and start tracking it so you can observe at your leisure. You can find hundreds of fascinating deep space objects your first night out, even if you have never used a telescope before. No matter what level of experience you start from, your NexStar SLT scope will unfold all the wonders of the Universe for you, your family, and your friends. For more details, click on the \"SLT computer\" icon in the support tab above.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdjustable height tripod:\u003c\/strong\u003e The preassembled tripod has stainless steel legs to damp vibrations quickly. The center leg brace holds a convenient no-tool quick-release accessory tray to keep your eyepieces and accessories up and out of the dew-soaked grass.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo-year warranty:\u003c\/strong\u003e All Celestron telescopes have a two-year warranty, double that of competitive scopes.\u003c\/p\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBinary and Star Cluster Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eVery Good\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e660mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/6.47\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGalaxy and Nebula Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eFair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e165x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLunar Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGreat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e14 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlanetary Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eVery Good\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.14 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e12.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e102mm multicoated refractor optics\u003c\/li\u003e\n\u003cli\u003eGo-to computerized altazimuth mount with dual-axis DC servo motor drives\u003c\/li\u003e\n\u003cli\u003ePre-assembled adjustable height stainless steel tripod\u003c\/li\u003e\n\u003cli\u003eQuick release accessory tray\u003c\/li\u003e\n\u003cli\u003eHand control with 4,000+ star and object database for go-to operation\u003c\/li\u003e\n\u003cli\u003eInternal AA battery compartment (batteries not supplied)\u003c\/li\u003e\n\u003cli\u003eBattery-powered variable brightness Star Pointer red LED non-magnifying finder (battery supplied)\u003c\/li\u003e\n\u003cli\u003e2\" rack and pinion focuser with 1.25\" eyepiece adapter\u003c\/li\u003e\n\u003cli\u003e1.25\" prism-type star diagonal\u003c\/li\u003e\n\u003cli\u003e1.25\" 25mm Kellner eyepiece (26x)\u003c\/li\u003e\n\u003cli\u003e1.25\" 9mm Kellner eyepiece (73x)\u003c\/li\u003e\n\u003cli\u003eTheSky Level 1 CD-ROM star-charting software\u003c\/li\u003e\n\u003cli\u003eNSOL software for controlling the scope from a laptop or PC\u003c\/li\u003e\n\u003cli\u003eDust covers.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":40221649797193,"sku":"NS102SL","price":639.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/8780.jpg?v=1662967224"},{"product_id":"powerseeker-80-eq-3-1-equatorial-refractor","title":"Celestron PowerSeeker 80 EQ, 3.1\" Equatorial Refractor  21048","description":"\u003cp\u003eThe Celestron PowerSeeker 80 equatorial refractor is a visible step up in performance from the typical 60mm beginner's scope, at a price not much higher than a typical 60mm toy store scope.\u003c\/p\u003e\n\u003cp\u003eThis Celestron PowerSeeker 80 EQ telescope is a good choice for a beginning astronomer who wants to do some more-than-casual looking at the heavens, but at a surprisingly inexpensive price. It has 80mm achromatic refractor optics with 77% more light gathering capacity than a 60mm scope. That means visibly brighter deep space images and the ability to see many more faint objects than a 60mm scope could ever hope to show. It has a third high higher resolution than a 60mm scope as well, to let you see more sharper and detailed views of the Moon, planets, binary stars, and star clusters.\u003c\/p\u003e\n\u003cp\u003eThe construction of the optical system is first rate, as the Celestron PowerSeeker has all-glass optical components, with high transmission coatings for enhanced image brightness and clarity. The equatorial mount has slow motion controls in both axes, to let you easily track objects across the sky.\u003c\/p\u003e\n\u003cp\u003eThe PowerSeeker 80 has a light grasp 131 times that of the sharpest eye. Combine that light grasp with its two eyepieces (a 20mm and a 4mm) and 3x Barlow lens, and you have the ability to see celestial sights that are simply invisible to the unaided eye. And it does it at a very down-to-earth price.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Optical System . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRefractor optical tube:\u003c\/strong\u003e 80mm (3.1\") aperture air-spaced achromatic two-element crown and flint glass lens. 900mm focal length f\/11 all-glass optics. No plastic lenses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCoated optics:\u003c\/strong\u003e The objective lens has antireflection coatings on all surfaces for high light transmission and good contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDew shield:\u003c\/strong\u003e A dew shield (an extension of the optical tube that's threaded onto the front of the objective lens) slows the formation of dew on the lens in cold weather. This extends your undisturbed observing time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRack and pinion focuser:\u003c\/strong\u003e The well-made 1.25\" focuser has dual focusing knobs for precise image control with either hand. The large focus knobs are easy to operate, even while wearing gloves or mittens in cold weather.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStar diagonal:\u003c\/strong\u003e The 90° viewing angle 1.25\" star diagonal (eyepiece holder) allows comfortable viewing when looking overhead at the sky. It has a built-in image erecting prism that provides right-reading images that show you the sky and lunar features oriented the same way you see them through binoculars or with your unaided eye.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo eyepieces:\u003c\/strong\u003e You get a high power 1.25\" 4mm (225x) eyepiece and a low power 1.25\" 20mm (45x) with a 1° field of view (twice the diameter of the full Moon). Both eyepieces have antireflection coatings on their lens surfaces for sharp images and good contrast. The 4mm eyepiece is realistically beyond the scope's usable magnification limit on all but the very rare nights of absolutely perfect seeing conditions. An optional 6mm or 7mm eyepiece comes closer to providing the highest useful power on a regular basis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBarlow lens:\u003c\/strong\u003e A 1.25\" 3x Barlow lens is included that triples the magnification of the two supplied eyepieces to 135x and 675x. The Barlow\/20mm eyepiece combination gives 135x, which is a reasonable maximum power on most nights of average to so-so seeing conditions. The 675x magnification of the 4mm eyepiece\/Barlow combination is realistically far beyond the scope's usable magnification capability, however. Do not count on using that optical combination very often, if at all. A lower power eyepiece, such as a 40mm (22.5x; 67.5x with the Barlow), would provide a pair of magnifications more useful than the impractical 675x of the 4mm and Barlow combination.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinderscope:\u003c\/strong\u003e A low power 5x24mm finderscope attaches to the side of the optical tube. The straight-through viewing refractor finderscope provides a traditional inverted mirror-image astronomical view. If properly collimated (aligned) with the view through the main telescope, its crosshairs will help you center distant objects in the telescope so you don't have to search for them using the narrow eyepiece field of view.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Mount . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEquatorial mount:\u003c\/strong\u003e The German equatorial mount is designed for astronomical observing. By aligning the mount on the north celestial pole, you only need to turn one slow motion control knob to follow planets and stars as they travel across the sky. A counterweight on the opposite side of the mount from the telescope balances the weight of the optical tube and makes it easy to move the scope effortlessly from one part of the sky to another.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSetting circles:\u003c\/strong\u003e Setting circles (graduated scales marked in either hours and minutes or degrees) are provided in both right ascension (the east\/west position of objects in the sky measured in hours and minutes) and declination (the north\/south position measured in degrees). These allow you to align the scope on the approximate position of an object in the sky by using its r. a. and dec coordinates from a star chart - before you search for it in the finderscope and eyepiece. Setting circles can reduce the time it takes for you to find the fainter and more difficult deep space objects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManual slow motion controls:\u003c\/strong\u003e There are two slow motion control knobs connected to the mount by long flexible cables so they are easy to reach while observing. One controls the scope's motion in right ascension (the east\/west direction in the sky). Turning this knob enables you to follow the motion of celestial objects as they travel from east to west across the sky.\u003c\/p\u003e\n\u003cp\u003eThe second knob controls the scope's motion in declination (the north\/south direction in the sky). Turning this knob enables you to correct for any north\/south drift a celestial object may take as it drifts across the sky, due to an improper alignment of the scope on the north celestial pole when you first set it up.\u003c\/p\u003e\n\u003cp\u003eThe two controls combine to give you complete access to any part of the sky. They give you the ability to star hop from a known object to any other object by using a star chart. They let you center objects in the field of view, and track them effortlessly with only an occasional quick turn of the r. a. knob.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTripod:\u003c\/strong\u003e The lightweight aluminum tripod easily adjusts for standing or seated observations through the telescope. The tripod includes an accessory shelf that holds your eyepieces and Barlow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo year warranty:\u003c\/strong\u003e As an expression of Celestron's confidence in the quality of their products, the PowerSeeker is protected by Celestron's two-year limited warranty against flaws in materials and workmanship.\u003c\/p\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e3.1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBinary and Star Cluster Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e900mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/11.25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGalaxy and Nebula Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e180x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLunar Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eFair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e18 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlanetary Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.45 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e80mm aperture achromatic refractor optical tube with fully coated optics and 1.25\" rack and pinion focuser\u003c\/li\u003e\n\u003cli\u003eEquatorial mount with setting circles, manual slow-motion controls, and locks on both axes\u003c\/li\u003e\n\u003cli\u003e4mm (225X) and 20mm (45X) eyepieces\u003c\/li\u003e\n\u003cli\u003e90° 1.25\" erect image star diagonal\u003c\/li\u003e\n\u003cli\u003e3x 1.25\" Barlow lens\u003c\/li\u003e\n\u003cli\u003e5 x 24mm straight-through finderscope\u003c\/li\u003e\n\u003cli\u003eOperating instructions\u003c\/li\u003e\n\u003cli\u003eTheSky X CD-ROM software\u003c\/li\u003e\n\u003cli\u003eAdjustable height aluminum tripod with accessory tray.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":40221650944073,"sku":"PS80E","price":209.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/9623_1.jpg?v=1662967266"},{"product_id":"6-f-8-achromatic-doublet-refractor-optical-tube-cg5-avx-dovetail","title":"Celestron 6\" f\/8 Achromatic Doublet Refractor Optical Tube, CG5\/AVX Dovetail","description":"\u003cp\u003eHere's a sensational value - a big 6\" (150mm) achromatic refractor optical tube that's priced like other manufacturers' 80mm scopes. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Celestron optical tube has: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ebig 6\" aperture fully multicoated achromatic refractor optics\u003c\/li\u003e\n\u003cli\u003ecollimatable objective lens cell for fine-tuning the images\u003c\/li\u003e\n\u003cli\u003ebig 9 x 50mm finderscope\u003c\/li\u003e\n\u003cli\u003e20mm Plössl eyepiece (60x)\u003c\/li\u003e\n\u003cli\u003ebright high contrast deep space views, plus excellent performance inside the solar system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis 6\" achromatic refractor optical tube is a sensational value! It's the same optical tube that's used on Celestron's best selling Advanced Series go-to refractor. It has a 150mm (6\") diameter multicoated doublet objective lens (1200mm focal length f\/8). That's the equivalent of a 7\" reflector in terms of the amount of light that reaches your eyepiece. With 459 times the light-gathering capacity of the human eye, the optics are sharp and well suited to serious deep space observing of binary stars, star clusters, and the brighter nebulas and galaxies, in addition to excellent high contrast planetary and lunar images. The objective lens cell is fully collimatable, using push\/pull collimation screws, so you can optimize your image quality.\u003c\/p\u003e\n\u003cp\u003eSome chromatic aberration is visible on stars and objects of 2nd or 3rd magnitude and brighter, as you would expect in an achromatic refractor of such large aperture and fast focal ratio. However, the spurious color is well controlled and not unreasonable, thanks to careful optical design, and has little effect on deep space observing. Most observers feel the relatively limited amount of chromatic aberration visible is a small price to pay for the scope's many other virtues of sharpness, contrast, and optical clarity.\u003c\/p\u003e\n\u003cp\u003eFor peak performance, some observers have found that upgrading the supplied star diagonal to a premium version, such as the Astronomy Technologies #AT1D dielectric diagonal, pays visible dividends in sharpness and contrast during high magnification observing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDetails About This Optical Tube . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAchromatic refractor optics:\u003c\/strong\u003e 6\" (150mm) aperture, 1200mm focal length, f\/8 air-spaced crown and flint glass doublet lens. The objective lens cell is fully collimatable for peak optical performance, via a series of push\/pull collimating screws.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMulticoated optics:\u003c\/strong\u003e Fully coated on all surfaces with multiple layers of antireflection materials for high light transmission and good contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDew shield:\u003c\/strong\u003e Slows the formation of dew on the lens in cold weather to extend your undisturbed observing time. Also improves visual and photographic contrast by shielding the lens from off-axis ambient light (the neighbor's yard light, moonlight, etc.)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDust cover:\u003c\/strong\u003e The 6\" dust cover of the objective lens has a removable 4\" diameter cap in the center. During lunar and planetary observing, it is often beneficial to leave the 6\" dust cover in place, but with the 4\" center cap removed. This effectively reduces the aperture to 4\" and converts the telescope to an f\/12 focal ratio. At this longer focal ratio, chromatic aberration is reduced, with only a modest loss in resolution. The same optical trick can be used to improve lunar and planetary image quality during nights of sub-par seeing by reducing the amount of unsteady air the scope has to look through.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRack and pinion focuser:\u003c\/strong\u003e 2\" focuser, with 1.25\" eyepiece adapter. The 1.25\" adapter has external T-threads that let you connect a 35mm camera to the scope for prime focus photography using an optional T-ring with no other camera adapter required. Dual focusing knobs with rubber gripping surfaces for precise image control with either hand. The large focus knobs are easy to operate, even while wearing gloves or mittens in cold weather.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStar diagonal:\u003c\/strong\u003e 90° viewing angle prism-type 1.25\" star diagonal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEyepiece:\u003c\/strong\u003e Fully multicoated low power 1.25\" 20mm (60x) Plössl eyepiece with a 0.83° field of view (over one and a half times the diameter of the full Moon).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinderscope:\u003c\/strong\u003e 9 x 50mm straight-through achromatic design, with a wide 5.8° field of view. Spring-loaded bracket for fast no-tool alignment with the main scope optical tube. Focuses by loosening the trim ring behind the objective lens cell, screwing the lens cell in or out to focus, and tightening the trim ring to lock in the correct focus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDovetail tube mount:\u003c\/strong\u003e The optical tube comes with two split and hinged tube rings for installing the optical tube on your mount. The rings are connected to a dovetail mounting plate that slips into the standard dovetail groove on a Celestron Advanced VX Series go-to mount's equatorial head or any mount that has a Vixen Style Saddle Plate. \u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e9 x 50mm straight-through finder\u003c\/li\u003e\n\u003cli\u003e20mm 1.25\" Plössl eyepiece (60x)\u003c\/li\u003e\n\u003cli\u003e2x 1.25\" Barlow with built-in photo adapter\u003c\/li\u003e\n\u003cli\u003e2\" rack and pinion focuser with 1.25\" adapter\u003c\/li\u003e\n\u003cli\u003e1.25\" prism-type 90° star diagonal\u003c\/li\u003e\n\u003cli\u003eMulticoated 150mm aperture 1200mm focal length f\/8 achromatic optics\u003c\/li\u003e\n\u003cli\u003eLens shade\u003c\/li\u003e\n\u003cli\u003eDust covers\u003c\/li\u003e\n\u003cli\u003eTube rings with dovetail\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Details:\u003c\/h2\u003e\n\u003ctable class=\"table\" id=\"product-attribute-specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1200mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeaviest Single Component\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e19 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e300x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e18 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e0.76 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e13.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e9 x 50mm straight-through finder\u003c\/li\u003e\n\u003cli\u003e20mm 1.25\" Plössl eyepiece (60x)\u003c\/li\u003e\n\u003cli\u003e2x 1.25\" Barlow with built-in photo adapter\u003c\/li\u003e\n\u003cli\u003e2\" rack and pinion focuser with 1.25\" adapter\u003c\/li\u003e\n\u003cli\u003e1.25\" prism-type 90° star diagonal\u003c\/li\u003e\n\u003cli\u003eMulticoated 150mm aperture 1200mm focal length f\/8 achromatic optics\u003c\/li\u003e\n\u003cli\u003eLens shade\u003c\/li\u003e\n\u003cli\u003eDust covers\u003c\/li\u003e\n\u003cli\u003eTube rings with dovetail\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":40221652516937,"sku":"C6ROTA","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/11923_1.jpg?v=1662967316"},{"product_id":"toa-130nfb-5-1-ortho-apochromat-triplet-refractor-ota","title":"Takahashi TOA-130NFB 5.1\" Ortho-Apochromat Triplet Refractor OTA","description":"\u003cp\u003eThis performance of this 4\" focuser Takahashi 5.1\" ED triplet refractor is too good to let it be called simply an apochromatic scope. Only the term ortho-apochromatic is accurate enough to describe its optical excellence, both visually and for medium format and 35mm\/large format CCD imaging.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Takahashi refractor optical tube has: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e • 130mm f\/7.7 Ortho-Apochromat ED triplet optics \u003cbr\u003e• 4\" rack and pinion focuser with 2\" and 1.25\" eyepiece adapters \u003cbr\u003e• retractable dew shield \u003cbr\u003e• camera angle adjuster \u003cbr\u003e• 250mm of back focus for CCD and medium format film imaging \u003cbr\u003e• state-of-the-art optical performance, exceeding even fluorite scopes\u003cbr\u003e• 5-year warranty \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e    The Takahashi TOA-130NFB refractor provides exceptionally high optical and mechanical quality for the serious visual and photographic observer who needs optics of reasonable portability. The TOA-130 is exceptional for observing and imaging within the solar system. Its images of subtle lunar and planetary details are sharp, with realistic and highly saturated color. They are free from chromatic aberration's violet haze of spurious color, thanks to the scope's ED triplet optics. The latest antireflection multicoatings and numerous knife-edge internal baffles assure the maximum image contrast possible. \u003cbr\u003eThis 5.1\" Takahashi has a large aperture and diffraction-free images that make it surprisingly good for much deep space observing, as well. Binary stars and globular star clusters are particularly well-resolved and vivid, with the contrasting colors of many binary systems showing nicely. The brighter nebulas and galaxies stand out against a very dark sky background. Its 4\" focuser permits medium format imaging of a huge 5.3° swath of the sky with pinpoint images when using an optional focal reducer. \u003cbr\u003eThe TOA-130's f\/7.7 focal ratio and 1000mm focal length is long enough, using a Takahashi 2.8mm ED eyepiece to provide 357x, for high magnification observations of the Moon and planets, yet it will also produce a huge 2.5° field at 20x, using a 2\" Takahashi 50mm eyepiece.\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Optical and Mechanical Systems . . . \u003c\/strong\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApochromatic triplet ED refractor optics: \u003c\/strong\u003e.1\" (130mm) aperture, 1000mm focal length, f\/7.7 Ortho-Apochromatic triplet lens using an FPL-53 ED (Extra-low Dispersion) glass element between two crown glass elements for images that are free from spurious color (chromatic aberration). \u003cspan style=\"font-family: verdana;\"\u003eFor more details, click on the \"Takahashi triplet lens\" icon above.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulticoated optics: \u003c\/strong\u003eFully coated on all surfaces with multiple layers of antireflection materials for high light transmission and good contrast.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetractable dew shield: \u003c\/strong\u003eSlows the formation of dew on the lens to extend your undisturbed observing time. Also improves visual and photographic contrast by shielding the lens from off-axis ambient light (the neighbor's yard light, moonlight, etc.) For transport, the retractable lens shade keeps the overall length of the optical tube to a manageable 32\" when it is retracted and the visual extension tube removed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRack and pinion focuser: \u003c\/strong\u003e4\" focuser, with a 2\" eyepiece\/accessory holder that threads into the camera angle adjuster attached to the focuser drawtube. A 1.25\" compression ring eyepiece\/star diagonal holder is also supplied. The non-marring soft nylon compression ring of the 1.25\" eyepiece holder won't scratch the barrels of your accessories or star diagonal, as ordinary thumbscrews can. Dual focusing knobs provide precise image control with either hand. The large focus knobs are easy to operate, even while wearing gloves or mittens in cold weather. \u003cbr\u003eThe 4\" focuser yields a 92mm image circle for medium format prime focus photography with a Mamiya 645 or Pentax 6x7 camera. Needless to say, the 92mm image circle also allows absolutely unvignetted imaging with 35mm film cameras and the new 35mm-size and larger CCD chips. A large thumbscrew locks the focuser tube in place without image shift at the correct photographic focus. \u003cbr\u003eThe built-in camera angle adjuster allows the photographic accessory train to be rotated to the most appropriate angle to frame the object being photographed (a landscape format, portrait, or any angle in between) without having to loosen the camera adapter and perhaps lose the correct focus. Once the camera is oriented correctly, a large knob on the side of the adjuster can be tightened to hold the camera in place during the exposure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinderscope mounting point: \u003c\/strong\u003eNo finderscope is supplied, but a flat boss with two mounting bolt holes is provided on the top of the focuser body for mounting an optional finderscope. The Takahashi 7x50mm 6.2° field finder and bracket shown below are recommended.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong back focus: \u003c\/strong\u003eBack focus is a very good 250mm, allowing the stacking of a wide variety of CCD cameras, color filter wheels, electric focusers, and film cameras.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional photographic accessories: \u003c\/strong\u003eThree accessories are available to provide a variety of image scales and sky coverage: a field flattener, a focal reducer, and an extender. The field flattener reduces the focal ratio slightly (to f\/7.68) and gives pinpoint stars to the very edges of the 92mm (5.3° field) image circle for unvignetted medium format (6x7cm) and 35mm images. The central 70mm of the field is fully illuminated, with a gradual falloff to 85% illumination at the edges of the field. The focal reducer effectively cuts the focal length to 750mm and the focal ratio to f\/5.76. The photographic field is now 3.8°, spread over a 50mm image circle for totally non-vignetted 35mm photography. A 1.6x extender (which can also be used visually) effectively increases the focal length to 1600mm and the focal ratio to f\/12.3. The photographic field is 1.4° with this extender in use. A variety of photographic coupling attachments and eyepiece projection photography adapters are also available.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting rings: \u003c\/strong\u003eNo mounting rings are supplied for the 155mm diameter optical tube. Two options are available. One is the Takahashi tube holder (#130TH) shown below that is designed specifically for mounting the TOA-130 on a Takahashi EM-200 or larger equatorial mount. The second option is a pair of Parallax split mounting rings (#PFS152), also shown below, for mounting on a non-Takahashi mount, such as a Losmandy G-11.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eTech Details: \u003cbr\u003e\n\u003c\/h2\u003e\n\u003ctable class=\"table\" id=\"product-attribute-specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBinary and Star Cluster Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eVery Good\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1000mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/7.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGalaxy and Nebula Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e278x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLunar Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGreat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e22 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlanetary Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eVery Good\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e0.89 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e13.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Takahashi","offers":[{"title":"Default Title","offer_id":40221652582473,"sku":"TOA131","price":6760.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/12142_1.jpg?v=1662967319"},{"product_id":"toa-150b-5-9-f-7-33-ortho-apochromat-triplet-refractor-ota","title":"Takahashi TOA-150B 5.9\" F\/7.33 Ortho-Apochromat Triplet Refractor OTA","description":"\u003cp\u003eThis big Takahashi 5.9\" ED triplet refractor is optically too good to be called simply an apochromatic scope. Only the term ortho-apochromatic is good enough to describe its optical excellence.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Takahashi refractor optical tube has: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e • 150mm f\/7.33 Ortho-Apochromat triplet optics with dual ED elements \u003cbr\u003e• 4\" rack and pinion focuser with camera angle adjuster and 10:1 fine focus \u003cbr\u003e• retractable dew shield \u003cbr\u003e• state-of-the-art optical performance, exceeding even fluorite scopes\u003cbr\u003e• 5-year warranty \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e    The Takahashi TOA-150 refractor provides exceptionally high optical and mechanical quality for the serious visual observer and astrophotographer. The TOA-150 is exceptional for observing and imaging within the solar system. Its images of subtle lunar and planetary details are sharp, with realistic and highly saturated color. They are totally free from chromatic aberration's violet haze of spurious color, thanks to the scope's ED triplet optics. The latest antireflection multicoatings and numerous knife-edge internal baffles assure the maximum image contrast possible.\u003c\/p\u003e\n\u003cp\u003e  \u003cbr\u003eThe 5.9\" aperture of the TOA-150 provides a visual limiting magnitude of 13.4, and a photographic limiting magnitude of well over 15, making it excellent for deep space observing as well. The brighter nebulas and galaxies stand out crisply against a very dark sky background. Binary stars and globular star clusters are particularly well-resolved, thanks to its diffraction-free images, and its freedom from spurious color vividly shows the contrasting colors present in many binary systems.\u003c\/p\u003e\n\u003cp\u003e  \u003cbr\u003eThe TOA-150's f\/7.33 focal ratio and 1100mm focal length is long enough, using a 3mm eyepiece to provide 367x, for very high magnification observations of the Moon and planets. It is equally capable of producing a huge 2.27° field at 22x, with a bright 6.8mm exit pupil, using a 2\" Takahashi 50mm eyepiece.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Optical System . . . \u003c\/strong\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eapochromatic triplet ED refractor optics: \u003c\/strong\u003e5.9\" (150mm) aperture, 1100mm focal length, f\/7.33 Ortho-Apochromatic triplet lens using two FPL-53 ED (Extra-low Dispersion) glass element flanking a crown glass element for pinpoint stars and images that are free from spurious color (chromatic aberration).\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulticoated optics: \u003c\/strong\u003eFully coated on all surfaces with multiple layers of antireflection materials for high light transmission and good contrast.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Mechanical System . . . \u003c\/strong\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetractable dew shield: \u003c\/strong\u003eSlows the formation of dew on the lens to extend your undisturbed observing time. Also improves visual and photographic contrast by shielding the lens from off-axis ambient light (the neighbor's yard light, moonlight, etc.) For transport, the retractable lens shade keeps the overall length of the optical tube to a manageable 38\" when it is retracted and the visual extension tube removed.\n\u003cp\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarry handle: \u003c\/strong\u003eA carry handle at the rear of the tube, just before the focuser, allows easy transport of the optical tube.\n\u003cp\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick release for optional finderscope: \u003c\/strong\u003eA quick release bracket on the focuser body holds an optional 7x50mm Takahashi finder and mounting bracket, allowing easy removal of the finder for travel and storage.\n\u003cp\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRack and pinion focuser: \u003c\/strong\u003e4\" focuser, with a 2\" eyepiece\/accessory holder that threads into the focuser drawtube. A 1.25\" compression ring eyepiece\/star diagonal holder is also supplied. The non-marring soft nylon compression rings of the 2\" and 1.25\" eyepiece holders won't scratch the barrels of your accessories or star diagonal, as ordinary thumbscrews can. Dual focusing knobs provide precise image control with either hand. The large focus knobs are easy to operate, even while wearing gloves or mittens in cold weather. There is a 10:1 ratio micro-fine focuser on one knob as standard equipment. This provides ultra-precise focusing for critical high magnification visual use and astrophotography. A large thumbscrew locks the focuser tube in place without image shift at the correct photographic focus.\n\u003cp\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong back focus: \u003c\/strong\u003eBack focus is a very good 225mm, allowing the stacking of a wide variety of CCD cameras, color filter wheels, electric focusers, and film cameras.\n\u003cp\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional photographic accessories: \u003c\/strong\u003eThree accessories are available to provide a variety of image scales and sky coverage: two focal reducers and an extender. \u003cbr\u003eThe small focal reducer \u003ca href=\"\/takahashi-super-reducer-for-takahashi-toa130-with-4-inch-focuser_p5370.aspx\"\u003e(#TAK130RE)\u003c\/a\u003e effectively cuts the focal length to 860mm and the focal ratio to f\/5.73. The photographic field is now 3.33°, spread over a 50mm image circle for non-vignetted 35mm photography. \u003cbr\u003eThe large focal reducer \u003ca href=\"\/super-reducer-for-takahashi-toa-150-refractor_p13271.aspx\"\u003e(#TAK150RE)\u003c\/a\u003e is designed for medium format photography. It also effectively cuts the focal length to 860mm and the focal ratio to f\/5.73. The photographic field is now 6°, spread over a 90mm image circle for medium format (6x7) photography. \u003cbr\u003eA 1.6x extender \u003ca href=\"\/takahashi-2-inch-1-6x-extender-t_p5105.aspx\"\u003e(#XTND-T)\u003c\/a\u003e effectively increases the focal length to 1760mm and the focal ratio to f\/11.7. The photographic magnification (compared to a 50mm camera lens) is 35.2x with this extender in use and the field is 1.3°, making it excellent for lunar photography. The extender can also be used visually. \u003cbr\u003eA variety of photographic coupling attachments and eyepiece projection photography adapters are also available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5.9\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBinary and Star Cluster Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGreat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1100mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/7.33\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGalaxy and Nebula Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e367x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLunar Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGreat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e32 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlanetary Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGreat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e0.77 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e13.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/blockquote\u003e","brand":"Takahashi","offers":[{"title":"Default Title","offer_id":40221653991497,"sku":"TOA150","price":13070.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/13266_1.jpg?v=1662967384"},{"product_id":"tv-60-60mm-f-6-apo-body","title":"TeleVue TV-60 60mm f\/6 APO Refractor Body","description":"\u003cp\u003eThis TeleVue TV-60 is a high performance 2.4\" apochromatic doublet scope that will surprise you as much with the magnitude of its performance as it does with the mini size of its compact \"go anywhere, any time\" body . . .\u003c\/p\u003e\n\u003cdiv class=\"heading\"\u003e\u003cstrong\u003eThis TeleVue refractor optical tube has:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e• 60mm f\/6 apochromatic SD doublet optics \u003cbr\u003e• two-stage focuser (drawtube, plus helical fine focus) \u003cbr\u003e• extreme portability (10\" long, and weighing only 3 lbs.) \u003cbr\u003e• 5-year warranty\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\u003c\/div\u003e\n\u003cp\u003eThis TeleVue TV-60 refractor optical tube is an amazing little scope. A review of the TV-60 in the December 2004 Sky \u0026amp; Telescope magazine said, \"If you think that size matters and that bigger is always better when it comes to telescopes, think again . . .\u003c\/p\u003e\n\u003cp\u003e\"My first serious use of the TV-60 tested the 'Take Me Everywhere' portability touted by the manufacturer (on a trip to Italy to view Venus Transit of June 2004.) The transit made me realize that the TV-60 just might be the ultimate scope for eclipse chasers . . . As I have come to expect from observing with TeleVue's other short-focus apo refractors, the views with the TV-60 are essentially free of false color . . . Even at 120x, brilliant Vega, one of the most challenging stars for a refractor to image cleanly, appears as a blue-white Airy disk surrounded by several white diffraction rings and no perceptible color halo . . .\u003c\/p\u003e\n\u003cp\u003e\"After many nights of observing, I'm comfortable recommending an upper limit of 180x for the TV-60, which is 75x per inch of aperture. I achieved this magnification with the 2-mm setting on the TeleVue 2-to-4-mm Nagler Zoom eyepiece. It offered exceptional views of binary stars (especially the well-known Double-Double in Lyra) and the Moon . . .\u003c\/p\u003e\n\u003cp\u003e\"The pint-sized TV-60 could match the best high-power view I have ever seen in a quality 60-mm f\/15 refractor. And the TV-60 could do something those other scopes couldn't: offer a stunning wide-field experience . . . With just three eyepieces - the 24mm Panoptic and the 9- and 2.5-mm Naglers - I spent hours wandering the Milky Way from Sagittarius to Cassiopeia.\"\u003c\/p\u003e\n\u003cp\u003eThis Telescope's Optical and Mechanical Systems . . .\u003c\/p\u003e\n\u003cp\u003eApochromatic SD doublet optics: 2.4\" (60mm) aperture, 360mm focal length, f\/6 apochromatic doublet lens using an SD (Special Dispersion) glass element. Images are essentially free from spurious color (chromatic aberration), even at magnifications over the theoretical limit of 60x per inch of aperture (as noted in the review above.)\u003c\/p\u003e\n\u003cp\u003eMulticoated optics: Fully coated on all surfaces with multiple layers of antireflection materials for high light transmission and good contrast.\u003c\/p\u003e\n\u003cp\u003eDual-stage focuser: The 2-stage 1.25\" focuser uses a quick-focus drawtube for initial focusing, plus a separate helical-focusing eyepiece holder for fine-tuning the image sharpness once you've reached an approximate focus with the drawtube. Nylon thumbscrews lock in the drawtube focus and hold optional 1.25\" optical accessories securely in place.\u003c\/p\u003e\n\u003cp\u003eDew shield: The scope comes with a sliding captive dew shield to slow the formation of dew and act like a camera lens shade to improve contrast by blocking ambient light (from a neighbor's back yard security light, for example.) A camera-style snap-in plastic dust cap protects the optics from damage while stored or traveling.\u003c\/p\u003e\n\u003cp\u003eStar diagonal: No star diagonal is supplied, as most observers buy the TV-60 as a second 'grab and go' scope and therefore already have a star diagonal from their primary telescope. This allows you to equip the TV-60 with the optical accessories that best suit your observing style - such as an in-line Porro prism or a 45º image erecting diagonal for terrestrial observing, or a 60º or 90º star diagonal for astronomical use.\u003c\/p\u003e\n\u003cp\u003eEyepiece: As with a star diagonal, none is supplied, as it is assumed that the buyer already has a selection of eyepieces from his or her primary scope. A good optional basic eyepiece might be TeleVue's 11mm Plössl. This premium eyepiece provides a magnification of 33x, with a field of view more than three times as wide as the full Moon. Optional shorter focal length eyepieces and\/or Barlow lenses will provide high powers to let you examine details in the storm belts of Jupiter, the rings of Saturn, the mountains of the Moon, and much more. And the resolution of those details will be crisp and detailed, often visibly superior to larger telescopes more easily affected by atmospheric conditions. The maximum power for lunar\/planetary viewing is 180x, with the optional 2-4mm Nagler Zoom. Put in an optional longer focal length (lower power) eyepiece and the TV-60 becomes a true rich field telescope, capable of scanning wide scenic vistas by day and revealing multitudes of large, faint deep space objects by night. With an optional 1.25\" 40mm TeleVue Plössl (9x, with a 4.3° field), the TV-60 is not only a surprisingly good little rich field scope, but it is its own best finderscope, as well. It's also excellent as a terrestrial spotting scope for vacations, birding, or nature studies. In addition, optional camera adapters turn the TV-60 into excellent 360mm (7.2x) f\/6 telephoto lens for terrestrial and lunar photography.\u003c\/p\u003e\n\u003cp\u003eFinderscope: No finderscope is supplied or needed. As noted above, with a 40mm TeleVue Plössl eyepiece, the TV-60 its own best finderscope.\u003c\/p\u003e\n\u003cp\u003eMounting system: The TV-60 has an adjustable dovetail balancing bar mount that fits on any optional sturdy photo tripod for casual use, or on an optional equatorial or altazimuth mount (such as the TeleVue Tele-Pod and Panoramic mounts and the Vixen\/TeleVue PORTA mount) for more serious observing. An available optional X-Y axis adjustable mounting bracket (#TVXYA) allows the TV-60 to be used as a superfinder on TeleVue refractors, while a separate adapter (#TVXYC) allows it to be used on Celestron and Meade Schmidt-Cassegrain telescopes, as well as on TeleVue scopes. The balancing bar system allows the TV-60 to be moved fore and aft on your mount or tripod to balance the weight of different eyepieces or a camera.\u003c\/p\u003e\n\u003cp\u003eThere are few optical systems that combine into one very compact body the ability to be customized into a serious astronomical telescope with true apochromatic optics, a terrestrial spotting scope, and a top-quality telephoto lens - but the TV-60 does it surprisingly well. Whether you want to observe the skies from your back yard on the spur of the moment, or travel round the world with a very portable telescope that will reveal and photograph everything nearby and distant, you'll find it hard to beat this truly exceptional TeleVue small refractor.\u003c\/p\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2.4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e360mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeaviest Single Component\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e3 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e180x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e3 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.93 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e11.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e60mm apochromatic doublet optics\u003c\/li\u003e\n\u003cli\u003e2-stage drawtube\/helical focuser\u003c\/li\u003e\n\u003cli\u003eRetractable lens shade\u003c\/li\u003e\n\u003cli\u003eDust covers\u003c\/li\u003e\n\u003cli\u003eCarrying pouch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TeleVue","offers":[{"title":"Default Title","offer_id":40221657858121,"sku":"TV60","price":867.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/files\/TVO_2460_TV60ota_layout_v4copy.jpg?v=1723750815"},{"product_id":"np101is-4-f-5-4-nagler-petzval-apochromatic-refractor","title":"TeleVue NP101Is 4\" f\/5.4 Nagler-Petzval Apochromatic Refractor","description":"\u003cp\u003eThis TeleVue NP-101is is a superb and highly portable apochromatic refractor for both visual observing and imaging . . .\u003c\/p\u003e\n\u003cdiv class=\"heading\"\u003eThis updated and improved TeleVue NP101is refractor optical tube has:\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e• 101mm f\/5.4 four-element Nagler-Petzval apochromatic optical system \u003cbr\u003e• 2.4\" rack and pinion focuser with 2\" accessory adapter \u003cbr\u003e• Focusmate 10:1 ratio dual-speed fine focus made by Starlight Instruments \u003cbr\u003e• stainless steel lens cell for improved thermal stability\u003cbr\u003e• longer retractable dew shield for improved contrast \u003cbr\u003e• state-of-the-art visual and imaging capabilities \u003cbr\u003e• 5-year warranty\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Backyard Astronomer's Guide said of the original TeleVue NP101, \"optics don't get any better than this;\" while Sky \u0026amp; Telescope gave the NP101 top honors (May and June 2002) and selected it as the test instrument for its landmark review of the SBIG STL11000 CCD camera (July 2004). Featuring a new enlarged 2.4\" focuser and redesigned optics, this new TeleVue NP101is (Imaging System) improves and extends the photographic capability of the original NP101.\u003c\/p\u003e\n\u003cp\u003eThe new TeleVue NP101is sets new optical and mechanical quality standards in a moderately small and highly portable apochromatic refractor for the serious observer and astrophotographer. TeleVue first reinterpreted the incredible design flexibility of the time-proven Petzval portrait lens into an astronomical objective over 20 years ago. They've been refining the design ever since. Nagler-Petzval optics permit the optical designer greater freedom to simultaneously correct for coma, astigmatism, field curvature, secondary spectrum, spherical aberration, and spherochromatism than any other commercial optical design.\u003c\/p\u003e\n\u003cp\u003eThis newest 4\" four-element air-spaced Nagler-Petzval system has a 101mm aperture ED doublet at the front of the scope, with a second field-flattening\/aberration-correcting ED doublet at the rear. This combination of materials and design gives the TeleVue NP101is diffraction-limited apochromatic (spurious color-free) performance across the entire visual spectrum. In addition to exceptional visual performance, both inside the solar system and beyond, it has been optimized for deep space imaging, particularly with CCD cameras having large format detector chips with diagonals up to 50mm across. Every optical and mechanical element has been optimized to work as a single integrated unit, with new features to make imaging easier and more flexible.\u003c\/p\u003e\n\u003cp\u003eFor visual use, the scope's 540mm focal length is long enough, using a 1.25\" TeleVue 2.5mm Nagler eyepiece, to provide 216x for high magnification observations of the Moon, planets, and binary stars; yet it will also produce a huge 4.1° field at 15x, using a 2\" TeleVue 35mm Panoptic eyepiece for wide field observing.\u003c\/p\u003e\n\u003cp\u003eIts image quality, easy set-up, and airline portability make it a scope you will use often. Manufacturing advances in lens finishing, including interferometric monitoring of all surfaces, and TeleVue's stringent made-in-the-USA telescope assembly and quality control, insure uniformly excellent results with every telescope, and a level of manufacturer-direct service that's all too rare.\u003c\/p\u003e\n\u003cp\u003eWhether you are interested in terrestrial nature studies, astronomical rich-field or planetary observing, or photography of the earth and skies, just put in an optional star diagonal and eyepiece or attach a camera and the TeleVue NP101is will satisfy your observing desires right out of its case.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Optical and Mechanical Systems . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNagler-Petzval apochromatic refractor optics:\u003c\/strong\u003e 4\" (101mm) aperture, 540mm focal length, f\/5.4 apochromatic four-element air-spaced optical system. ED (Extra-low Dispersion) glass elements in both the front and rear doublets of the system provide images that are free from spurious color and other optical aberrations.\u003c\/p\u003e\n\u003cp\u003eThe newly-redesigned optics feature a field-flattening rear lens group that is larger than that in the original - and still available - NP101. The larger second optics group minimizes vignetting in photographic formats having up to a 50mm diagonal. In addition, for CCD cameras using a detector chip with a 35mm or larger diagonal, an optional large field corrector is available so that the stars in the newly brightened non-vignetted corners of the image are virtually as tightly-focused and sharp as those in the center of the field. \u003c\/p\u003e\n\u003cp\u003eThe new front lens cell is made of stainless steel. This provides better thermal stability in extremes of heat and cold and when taking your scope from a warm house outdoors to observe on a cold winter's night.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMulticoated optics:\u003c\/strong\u003e Fully coated on all surfaces with multiple layers of antireflection materials for high light transmission and good contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual-speed rack and pinion focuser:\u003c\/strong\u003e The newly-designed focuser has a non-vignetting internally-tapered drawtube with a 3\" entrance aperture and a 2.4\" exit aperture. This tapered design prevents any restriction of the larger converging light cone from the scope's larger field-flattening rear lens group. The drawtube terminates in an end ring that has a tilt capability to correct for any residual focal plane tilt. This is particularly important with the more stringent focus requirements of CCD cameras. Four lock knobs on the end ring hold the supplied 2\" accessory adapters firmly in place with no possibility of tilting under the weight of camera or accessories. The end ring also accepts a \"position stop\" for an optional digital micrometer that allows repeatable focus measurements with a 0.0001\" accuracy.\u003c\/p\u003e\n\u003cp\u003eThe imaging adapter is threaded to accept TeleVue's new Imaging System accessories - including large diameter extension tubes, optical accessories, and camera and CCD attachments, all with mating threads. The separate visual adapter has a 2\" non-marring brass clamp ring with two lock knobs to hold a 2\" star diagonal or other visual accessories firmly in place.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFine focus system:\u003c\/strong\u003e The focuser is equipped with a Focusmate 10:1 reduction ratio dual-speed fine focus system on the right focus knob. This precision focuser is made for TeleVue by Starlight Instruments, makers of ultra-premium Feather Touch focusers.While the left focus knob still provides TeleVue's standard focusing speed, the Starlight Instruments Focusmate on the right knob provides extremely sensitive 10:1 ratio fine focusing for imaging. Focus changes are measurable with an optional Digital Micrometer Kit to better than 1\/10,000\" for precisely repeatable focusing. Both the standard focus and the Focusmate use large knurled focus knobs that are easy to operate, even while wearing gloves or mittens in cold weather.\u003c\/p\u003e\n\u003cp\u003eAn optional Focusmate Driver permits pushbutton electronic motor control of the focusing process. The Focusmate Driver has directional pushbuttons and adjustable speed. A tap on a pushbutton permits vibration-free focusing in steps as small as approximately 0.0005\". The Focusmate Driver can be remotely computer controlled with software under development.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOptional photographic accessories:\u003c\/strong\u003e Optional photo accessories include the following: a Digital Indicator Kit for digital readout of the focuser position for repeatable focus points; a Focusmate Driver electronic vari-speed motor control for the Focusmate fine focus mechanism; a Large Field Corrector for optimized edge performance with large diagonal CCD chips; extension tubes of various lengths to bring various CCD and 35mm cameras to focus; an adapter to connect the SBIG STL11000 CCD camera; an adapter to connect a standard 35mm camera using a T-Ring; an adapter to connect a Canon EOS or digital SLR using a wide mouth Canon T-Ring; and a 0.8x focal reducer for wider field imaging.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSliding captive dew shield:\u003c\/strong\u003e The new, longer retractable dew shield slows the formation of dew on the lens to extend your undisturbed observing time. The longer dew shield also improves visual and photographic contrast by shielding the lens from off-axis ambient light (the neighbor's yard light, moonlight, etc.) For transport, the retractable lens shade keeps the overall length of the optical tube to a manageable 25.5\" when it is retracted.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMounting rings:\u003c\/strong\u003e No mounting rings are supplied for the 101mm diameter optical tube. The optional TeleVue #MRS4 dual 4\" mounting ring set is designed specifically for installing the NP101is on wide variety of equatorial mounts and mounting adapters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinderscope mounting point:\u003c\/strong\u003e No finderscope is supplied. However, dovetail accessory mounting slots for a finderscope and other accessories (such as a piggyback camera mount) are provided on the optional TeleVue #MRS4 dual mounting ring set.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCarrying case:\u003c\/strong\u003e A custom foam-fitted locking hard shell case is standard. The case has a large accessory compartment built into its lid.\u003c\/p\u003e\n\u003ch2\u003eTech Details:\u003c\/h2\u003e\n\u003ctable class=\"table\" id=\"product-attribute-specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e540mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/5.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeaviest Single Component\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e11 pounds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e216x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e11 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.15 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e12.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eLens shade\u003c\/li\u003e\n\u003cli\u003eDust cover\u003c\/li\u003e\n\u003cli\u003eHard case\u003c\/li\u003e\n\u003cli\u003eVisual adapter ring\u003c\/li\u003e\n\u003cli\u003eImaging adapter ring\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TeleVue","offers":[{"title":"Default Title","offer_id":40221659988041,"sku":"NP101is","price":4267.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/files\/NPI-4057_TVNP101is_ly_v2copy.jpg?v=1723745850"},{"product_id":"np127is-5-f-5-2-nagler-petzval-apochromatic-refractor","title":"TeleVue NP127Is 5\" f\/5.2 Nagler-Petzval Apochromatic Refractor","description":"\u003cp\u003eThe original \u003cem\u003eHot Product \u003c\/em\u003eTeleVue NP-127is has long been regarded as one of the finest optical systems available for both visual observing and imaging, and this new upgraded version is even better . . .\u003c\/p\u003e\n\u003cdiv class=\"heading\"\u003e\u003cstrong\u003eThis updated and improved TeleVue refractor optical tube has:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e• 127mm f\/5.2 four-element Nagler-Petzval apochromatic optical system \u003cbr\u003e• stainless steel front cell for improved thermal stability \u003cbr\u003e• 2.4\" rack and pinion focuser with 2\" accessory adapter \u003cbr\u003e• Focusmate 10:1 ratio dual-speed fine focus made by Starlight Instruments \u003cbr\u003e• longer retractable dew shield for improved contrast \u003cbr\u003e• state-of-the-art visual and imaging capabilities \u003cbr\u003e• 5-year warranty\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003eThe TeleVue NP127is (Imaging System) refractor sets even higher optical and mechanical quality standards for the serious observer and celestial imager than the original Hot Product version that so impressed Sky \u0026amp; Telescope in 2007. TeleVue first reinterpreted the incredible design flexibility of the Petzval portrait lens into an astronomical objective over 20 years ago. They've been refining the design ever since. No other optical design affords the same freedom to simultaneously correct for coma, astigmatism, field curvature, secondary spectrum, spherical aberration, and spherochromatism that the Nagler-Petzval design provides.\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eThis four-element air-spaced Nagler-Petzval system has a 127mm aperture ED doublet at the front of the scope, with a second field-flattening\/aberration-correcting ED doublet at the rear. The newly-designed optical system delivers smaller spot sizes over a broader wavelength range than previously, while a new stainless steel front cell helps provide better thermal stability in extreme climates and temperature conditions.\u003c\/p\u003e\n\u003cp\u003eThe artful combination of materials and optical design gives the TeleVue NP127is diffraction-limited performance into the furthest reaches of the visual spectrum. In addition to exceptional visual performance, both inside the solar system and beyond, it has been optimized for deep space imaging, particularly with CCD cameras having large format detector chips with diagonals up to 52mm across. Every optical and mechanical element has been optimized to work as a single integrated unit, with new features to make imaging easier and more flexible.\u003c\/p\u003e\n\u003cp\u003eFor visual use, the scope's 660mm focal length is long enough, using a 1.25\" TeleVue 2.5mm Nagler eyepiece, to provide 264x for high magnification observations of the Moon, planets, and binary stars; yet it will also produce a huge 3.6° field at 21x, using a 2\" TeleVue 31mm Nagler eyepiece for wide field observing.\u003c\/p\u003e\n\u003cp\u003eIts quality, easy set-up, and airline portability beckons your use. Manufacturing advances in lens finishing, including interferometric monitoring of all surfaces, and TeleVue's stringent made-in-the-USA telescope assembly and quality control, insure uniformly excellent results with every telescope, and a level of manufacturer-direct service that's all too rare.\u003c\/p\u003e\n\u003cp\u003eWhether you are interested in terrestrial nature studies, astronomical rich-field or planetary observing, or photography of the earth and skies, just put in an optional star diagonal and eyepiece or attach a camera and the TeleVue NP127is is ready to satisfy your observing desires right out of its case.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Optical and Mechanical Systems . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNagler-Petzval apochromatic refractor optics:\u003c\/strong\u003e 5\" (127mm) aperture, 660mm focal length, f\/5.2 apochromatic four-element air-spaced optical system. ED (Extra-low Dispersion) glass elements in both the front and rear doublets of the system provide images that are free from spurious color and other optical aberrations.\u003c\/p\u003e\n\u003cp\u003eThe optics feature a field-flattening rear lens group that is larger than that in the previous version of the NP127. This minimizes vignetting in photographic formats having up to a 50mm diagonal. In addition, for CCD cameras using a detector chip with a 35mm or larger diagonal, an optional large field corrector is available so that the stars in the newly brightened non-vignetted corners of the image are virtually as tightly-focused and sharp as those in the center of the field. \u003cbr\u003eThe new front lens cell is made of stainless steel. This provides better thermal stability in extremes of heat and cold and when taking your scope from a warm house outdoors to observe on a cold winter's night.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMulticoated optics:\u003c\/strong\u003e Fully coated on all surfaces with multiple layers of antireflection materials for high light transmission and good contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual-speed rack and pinion focuser:\u003c\/strong\u003e The newly-designed focuser has a non-vignetting internally-tapered drawtube with a 3\" entrance aperture and a 2.4\" exit aperture. This tapered design prevents any restriction of the larger converging light cone from the scope's larger field-flattening rear lens group. The drawtube terminates in an end ring that has a tilt capability to correct for any residual focal plane tilt. This is particularly important with the more stringent focus requirements of CCD cameras. The end ring also accepts a \"position stop\" for an optional digital micrometer that allows repeatable focus measurements with a 0.0001\" accuracy.\u003c\/p\u003e\n\u003cp\u003eThe new focuser's draw tube also permits quick change from visual observing to astrophotography using separate supplied visual and imaging adapters. It allows full camera rotation without focus change, and without the need to buy a separate camera angle adjuster as some other scopes require. To maintain squareness to the optical axis while changing camera orientation, the draw tube has four lock knobs that tighten against a taper on the supplied imaging adapter and 2\" visual accessory holder.\u003c\/p\u003e\n\u003cp\u003eThe imaging adapter is threaded to accept TeleVue's new Imaging System accessories - including large diameter extension tubes, optical accessories, and camera and CCD attachments, all with mating threads. The separate visual adapter has a 2\" non-marring brass clamp ring with two lock knobs to hold a 2\" star diagonal or other visual accessories firmly in place.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFine focus system:\u003c\/strong\u003e The focuser is equipped with a renowned Starlight Instruments Feather Touch 10:1 reduction ratio micro-focus system on the right focus knob. While the left focus knob still provides TeleVue's standard focusing speed, the Feather Touch micro-focuser on the right knob provides extremely sensitive fine focus adjustment for imaging. Focus changes are measurable with an optional Digital Micrometer Kit to better than 1\/10,000\" for precisely repeatable focusing. Both the standard focus and the Focusmate use large knurled focus knobs that are easy to operate, even while wearing gloves or mittens in cold weather.\u003c\/p\u003e\n\u003cp\u003eAn optional Focusmate Driver (#TVFDF2004) permits pushbutton electronic motor control of the focusing process. The Focusmate Driver has directional pushbuttons and adjustable speed. A tap on a pushbutton permits vibration-free focusing in steps as small as approximately 0.0005\". The Focusmate Driver can be remotely computer controlled with software under development. The #TVFDF2004 is designed only for the new Feather Touch focuser version of the NP127is, serial number 1175 and above.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOptional photographic accessories:\u003c\/strong\u003e Optional photo accessories include the following: a Large Field Corrector for optimized edge performance with large diagonal CCD chips; extension tubes of various lengths to bring various CCD and 35mm cameras to focus; an adapter to connect the SBIG STL11000 CCD camera; an adapter to connect a standard 35mm camera using a T-Ring; an adapter to connect a Canon EOS or digital SLR using a wide mouth Canon T-Ring; a 1.5x extender to increase the focal length and focal ratio for lunar and planetart imaging; and a 0.8x focal reducer for even wider field deep space imaging.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSliding captive dew shield:\u003c\/strong\u003e The new, longer retractable dew shield slows the formation of dew on the lens to extend your undisturbed observing time. The longer dew shield also improves visual and photographic contrast by shielding the lens from off-axis ambient light (the neighbor's yard light, moonlight, etc.) For transport, the retractable lens shade keeps the overall length of the optical tube to a manageable 33\" when it is retracted.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMounting rings:\u003c\/strong\u003e No mounting rings are supplied for the 127mm diameter optical tube. The optional TeleVue #MRS5 dual 5\" mounting ring set is designed specifically for installing the NP127is on wide variety of equatorial mounts and mounting adapters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinderscope mounting point:\u003c\/strong\u003e No finderscope is supplied. However, dovetail accessory mounting slots for a finderscope and other accessories (such as a piggyback camera mount) are provided on the optional TeleVue #MRS5 dual mounting ring set.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCarrying case:\u003c\/strong\u003e A custom foam-fitted locking hard shell case is standard. The case has a large accessory compartment built into its lid.\u003c\/p\u003e\n\u003ch2\u003eTech Details:\u003c\/h2\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e660mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/5.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeaviest Single Component\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e16 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e264x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLunar Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eFair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e0.91 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eLens shade\u003c\/li\u003e\n\u003cli\u003eDust cover\u003c\/li\u003e\n\u003cli\u003eHard case\u003c\/li\u003e\n\u003cli\u003eVisual adapter ring\u003c\/li\u003e\n\u003cli\u003eImaging adapter ring\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TeleVue","offers":[{"title":"Default Title","offer_id":40221660020809,"sku":"NP127is","price":7373.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/files\/NPI-4057_TVNP101is_ly_v2copy_4d26dd18-dc20-4872-b061-1e05823718d8.jpg?v=1723746188"},{"product_id":"4-omni-xlt-102-equatorial-refractor-with-starbright-xlt-optical-multicoatings","title":"Celestron 4\" Omni XLT 102 Equatorial Refractor with Starbright XLT Optical Mount","description":"\u003cp\u003eThis Celestron Omni XLT 102 refractor puts good fully Starbright XLT multicoated achromatic optics on a solid German equatorial mount to provide an excellent mix of performance, portability, and features at a price that's surprisingly low.\u003c\/p\u003e\n\u003cdiv class=\"heading\"\u003eThis Celestron Omni XLT 102 telescope has:\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e• 102mm f\/9.8 achromatic refractor optics \u003cbr\u003e• StarBright XLT multicoatings for the highest possible light transmission\u003cbr\u003e• CG-4 German equatorial mount with ball bearings and stainless steel tripod\u003cbr\u003e• 6 x 30mm finderscope \u003cbr\u003e• 25mm 1.25\" eyepiece (40x) \u003cbr\u003e• 2-year warranty\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe Celestron Omni XLT 102 refractor combines quality optics with a solid German equatorial mount - at a remarkably sensible price for a scope of its quality. It provides an excellent mix of performance, portability, stability, and features that any serious backyard astronomer can appreciate.\u003c\/p\u003e\n\u003cp\u003eFor the observer whose interests are the brighter solar system and deep space objects, the Omni XLT 102 has a lot to offer. It is exceptional for observing within the solar system. Its views of subtle lunar and planetary details are sharp and contrasty, bringing the planets to vivid life in the eyepiece.\u003c\/p\u003e\n\u003cp\u003eIt has a sensibly large aperture and diffraction-free images that make it surprisingly good for much deep space observing, as well. Binary stars and globular star clusters are particularly well-resolved and vivid, with the contrasting colors of many binary systems showing nicely. The brighter nebulas and galaxies stand out against a darker sky background than is possible in a comparably-priced reflector with its light-scattering diagonal mirror.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Optical System . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRefractor optics:\u003c\/strong\u003e 4\" (102mm) aperture, 1000mm focal length, f\/9.8 achromatic doublet lens using aspheric shaping technology for images that have virtually no spherical aberration. The lens cell is fully collimatable for optimum sharpness. The optical tube length is a very manageable 39.5\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStarbright XLT multicoated optics:\u003c\/strong\u003e Fully coated on all air-to-glass surfaces with multiple layers of magnesium fluoride and hafnium dioxide antireflection coatings for the highest possible light transmission and contrast. They are the same coatings used on Celestron's largest most expensive optical systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLens cap\/aperture stop:\u003c\/strong\u003e A protective lens cap is provided to cover the objective lens of the telescope and keep it dust-free when the scope is not in use. This lens cap has a built-in aperture stop in the center. When observing the Moon and planets, leaving the lens cap on the telescope with the aperture stop removed will reduce the scope's chromatic aberration (the faint halo of violet light or \"spurious color\" visible around very bright objects in all achromatic refractor telescopes). The scope's resolution will be slightly reduced, but eliminating the spurious color provides a generally more pleasing image for most observers. The lens cap should always be completely removed when observing faint deep sky objects such as nebulas and galaxies, where aperture (light-gathering) is essential and chromatic aberration is not an issue.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDew shield:\u003c\/strong\u003e Slows the formation of dew on the lens in cold weather to extend your undisturbed observing time. Also improves visual and photographic contrast by shielding the lens from off-axis ambient light (the neighbor's yard light, moonlight, etc.)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRack and pinion focuser:\u003c\/strong\u003e 2\" focuser, with 1.25\" eyepiece adapter. Dual focusing knobs with rubber gripping surfaces for precise image control with either hand. The large focus knobs are easy to operate, even while wearing gloves or mittens in cold weather. The eyepiece holder has built-in T-threads for attaching an optional T-ring and camera for prime focus photography.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStar diagonal:\u003c\/strong\u003e 90° viewing angle prism-type 1.25\" star diagonal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEyepiece:\u003c\/strong\u003e Fully multicoated low power 1.25\" 25mm (40x) eyepiece with a 1.25° field of view (two and a half times the diameter of the full Moon).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinderscope:\u003c\/strong\u003e 6 x 30mm straight-through achromatic design, with a wide 7° field of view. Focuses by loosening the trim ring behind the objective lens cell, screwing the lens cell in or out to focus, and tightening the trim ring to lock in the correct focus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Mount . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCG-4 German equatorial mount:\u003c\/strong\u003e The mount has setting circles in both right ascension and declination, worm gear drives and manual slow motion controls in both axes, a latitude scale and fine adjustment controls in both altitude and azimuth, two counterweights totaling 11 pounds so you can easily balance virtually any accessory load, and more. An optional dual axis DC drive\/drive corrector is available for no-hands tracking of celestial objects and photography. It is not possible to upgrade to a computerized go-to drive system. For more details, click on the link in the support tab above.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdjustable height tripod:\u003c\/strong\u003e The tripod has 1.75\" diameter steel legs with a center leg brace for rigidity. It adjusts over a height range from 33\" to 47\". Vibration damping characteristics are excellent. The center leg brace is drilled to form a convenient accessory tray that holds 1.25\" and 2\" eyepiece to keep them up out of the dew-soaked grass.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDovetail tube mount:\u003c\/strong\u003e The scope's optical tube rings are connected to a mounting plate that slips into a dovetail groove on the mount's equatorial head. Setup and takedown times are exceptionally fast, as a single large hand-tighten knob holds the optical tube in place. A second lock knob prevents the tube from sliding off the mount should the hand-tighten knob accidentally loosen while observing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo-year warranty:\u003c\/strong\u003e All Celestron telescopes have a two-year warranty.\u003c\/p\u003e\n\u003cdiv class=\"heading\"\u003eWhat can you see through this 102mm Celestron refractor?\u003c\/div\u003e\n\u003cp\u003eWith a relatively short 1000mm focal length and a light grasp 212 times that of the sharpest dark-adapted eye, the scope is capable of producing surprisingly bright wide-field images of the faint fuzzies outside the solar system - nebulas, galaxies, open star clusters, and more.\u003c\/p\u003e\n\u003cp\u003eBut those objects requiring high power and high contrast - globular clusters, close binary star pairs, lunar and planetary images, etc. - are where this achromatic scope shines. Using optional eyepieces and\/or a Barlow to boost the magnification, you can see subtle solar system details that are virtually invisible in smaller aperture scopes. You can study lunar craters, rilles, mountain ranges, and low contrast lunar ray detail. With reasonable seeing conditions, detail in Jupiter's cloud belts and the Great Red Spot (actually closer in color to the Faint Pink Spot at this point in time) are visible, as are dusky markings on the face of Saturn and Cassini's division in Saturn's brilliant rings. Chromatic aberration is present in the scope when viewing very bright objects, as it is in all achromatic refractor telescopes, but using the lens cap\/aperture stop mentioned above will reduce its visibility.\u003c\/p\u003e\n\u003cp\u003eOptically and mechanically refined, and very reasonable in cost for a 4\" refractor, this Celestron Omni XLT 102 has enough optical performance to keep you busy for the rest of your life.\u003c\/p\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1000mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/9.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeaviest Single Component\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e21 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e200x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotorized Controls\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eOptional Motor Drive Is Available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e43 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOptical Coatings\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eStarBright XLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.14 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplied Eyepiece\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eView Finder\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e6x30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e12.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFully Starbright XLT multicoated 102mm aperture 1000mm focal length f\/9.8 achromatic optics\u003c\/li\u003e\n\u003cli\u003eCG-4 German equatorial mount with setting circles, manual slow motion controls, and adjustable height steel leg tripod with combined spreader bar\/accessory tray\u003c\/li\u003e\n\u003cli\u003e6 x 30mm straight-through finder\u003c\/li\u003e\n\u003cli\u003e2\" rack and pinion focuser with 1.25\" eyepiece adapter\u003c\/li\u003e\n\u003cli\u003e1.25\" prism-type 90° star diagonal\u003c\/li\u003e\n\u003cli\u003e1.25\" 25mm eyepiece (40x)\u003c\/li\u003e\n\u003cli\u003eDewcap\u003c\/li\u003e\n\u003cli\u003eDust covers\u003c\/li\u003e\n\u003cli\u003eTheSky Level 1 star-charting CD-ROM software\u003c\/li\u003e\n\u003cli\u003eTwo-year warranty.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":40221660381257,"sku":"C102XLT","price":699.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/13728.jpg?v=1662967609"},{"product_id":"astromaster-70-az-2-8-altazimuth-refractor","title":"Celestron AstroMaster 70 AZ, 2.8\" Altazimuth Refractor","description":"\u003cp\u003eThe Celestron AstroMaster 70 altazimuth refractor is an economical introduction to casual astronomy and terrestrial nature study for the backyard astronomer. For not much money, it supplies surprisingly good images of nature, the Moon, the planets, and many of the brighter deep space objects.\u003c\/p\u003e\n\u003cp\u003eThe Celestron AstroMaster 70AZ altazimuth refractor is a good choice for a beginning astronomer who also has an eye for nature. This sensibly-priced refractor optical system is a good way to begin your journey into the night sky, as well as exploring nature during the day. It provides you with detailed high-contrast views of the Moon and planets in the heavens, as well as sharp views of birds and animals across a lake or across the way.\u003c\/p\u003e\n\u003cp\u003eThe construction of the optical system is first rate, as the AstroMaster has all-glass optical components, with high transmission optical coatings for enhanced image brightness and clarity. The mount has a convenient pan handle, like the control handle on a camera tripod, for guiding the scope around the skies or the landscape. A built-in clutch makes operating the well-balanced scope with the pan handle smooth and easy. The scope assembles in only a minute or two, with no tools required.\u003c\/p\u003e\n\u003cp\u003eOnce you have scanned your way through the solar system and the Milky Way, you can use the AstroMaster to look at things closer to home. The altazimuth mount will let you easily track objects on the ground and allow you to get a closer look at nature and your surroundings.\u003c\/p\u003e\n\u003cp\u003eThe AstroMaster 70 has a light grasp 100 times that of the sharpest eye for nighttime and twilight use. It can also resolve details ten times smaller than you can see clearly with your unaided eye. Combine that light grasp and sharpness with its two eyepieces (a 20mm for 45x magnification and a 10mm for 90x), and you have the ability to see many, many celestial and terrestrial objects that are simply invisible to the unaided eye. Some chromatic aberration (a faint halo of violet light around the Moon and planets when observing at night) is visible in the AstroMaster 70, as it is in all achromatic refractor telescopes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Optical System . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRefractor optical tube:\u003c\/strong\u003e 70mm (2.8\") aperture. 900mm focal length f\/12.9 achromatic doublet lens with all-glass optics. No plastic lenses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCoated optics:\u003c\/strong\u003e The two-element objective lens has a layer of magnesium fluoride antireflection coatings on all air-to-glass surfaces for high light transmission and good contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDovetail mount:\u003c\/strong\u003e A quick-release dovetail bar on the optical tube fits into a dovetail slot on the mount. The optical tube can be installed and locked firmly in place in seconds using a single no-tool knob on the mount.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDew shield:\u003c\/strong\u003e A dew shield (an extension of the optical tube that's threaded onto the front of the objective lens) slows the formation of dew on the lens in cold weather. This extends your undisturbed observing time. It also improves the contrast when observing objects on the ground during the day.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRack and pinion focuser:\u003c\/strong\u003e The well-made 1.25\" focuser has dual focusing knobs for precise image control with either hand. The good-sized focus knobs are easy to operate, even while wearing gloves or mittens in cold weather.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStar diagonal:\u003c\/strong\u003e The 90° viewing angle 1.25\" star diagonal (eyepiece holder) allows comfortable viewing when looking overhead at the sky. It provides erect mirror image views (objects are reversed left for right). This is not a problem when observing the stars and planets, but may be disconcerting during terrestrial observing, as printing (license plates, the names on boats, etc.) will be backwards. For most nature studies this isn't a problem, though, because a duck still looks like a duck whether he's facing left or right. An optional #6329 45° viewing angle image-erecting diagonal is available if right-reading images are essential. It gives you correctly oriented images and more comfortable extended terrestrial observing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo eyepieces:\u003c\/strong\u003e You get a high power 1.25\" 10mm (90x) eyepiece and a low power 1.25\" 20mm (45x) with a 1.1° field of view (over twice the diameter of the full Moon). Both eyepieces have antireflection coatings on their lens surfaces for sharp images and good contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRed dot finder:\u003c\/strong\u003e A straight-through red dot illuminated finder allows easy non-magnified views of the sky and ground, with a projected red dot of light showing exactly where the scope is pointed at all times.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Mount . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAltazimuth mount:\u003c\/strong\u003e The altazimuth mount with camera tripod-style pan handle provides right\/left and up\/down motions. This is suitable for casual astronomical observing, and will let you easily track objects on the ground to allow you to get a closer look at nature and your surroundings. An adjustable tension clutch knob at the base of the mount allows you to lock the tube in place or to adjust the drag on the scope during right\/left motions. This lets you control how smoothly the mount moves as you move the tube left or right to follow objects moving across the sky or on the land. A simple twist on the pan handle locks the scope in place up and down, as well as letting you adjust the drag on the scope to set the travel smoothness when adjusting its position vertically. The optical tube is well balanced, but keeping your hand on the pan handle at all times when the clutches are unlocked would be a sensible safety precaution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTripod:\u003c\/strong\u003e The lightweight pre-assembled tripod has 1.5\" diameter stainless steel legs to provide a rigid and stable observing platform. It easily adjusts in height with no tools needed for standing or seated observations through the telescope. Spreader bars lock the legs firmly open when the tripod is set up. The tripod includes a convenient accessory tray that attaches to the spreader bars to hold your eyepieces and accessories close at hand and up out of the dew-soaked grass. The no-tool lock knobs that adjust the leg height of the tripod are on the inside of the legs so they won't snag on clothing in the dark, a thoughtful touch that's sure to be appreciated.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo year warranty:\u003c\/strong\u003e As an expression of Celestron's confidence in the quality of their products, the AstroMaster is protected by Celestron's two-year limited warranty against flaws in materials and workmanship.\u003c\/p\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2.8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e900mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/12.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e150x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e18 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.65 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplied Eyepiece\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e20mm and 10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eView Finder\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eBuilt-On StarPointer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e11.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e70mm aperture achromatic refractor optical tube with fully coated optics, dovetail mounting bar, and 1.25\" rack and pinion focuser\u003c\/li\u003e\n\u003cli\u003eAltazimuth mount with pan handle for control in altitude and azimuth and locks on both axes\u003c\/li\u003e\n\u003cli\u003e10mm (90X) and 20mm (45X) eyepieces\u003c\/li\u003e\n\u003cli\u003e90° 1.25\" star diagonal\u003c\/li\u003e\n\u003cli\u003eRed dot illuminated non-magnifying finder\u003c\/li\u003e\n\u003cli\u003eOperating instructions\u003c\/li\u003e\n\u003cli\u003eTheSky Level 1 CD-ROM software\u003c\/li\u003e\n\u003cli\u003eNo-tool adjustable height tripod with stainless steel legs and accessory tray.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":40221660414025,"sku":"AM70A","price":199.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/13734.jpg?v=1662967610"},{"product_id":"4-7-omni-xlt-120-equatorial-refractor-with-starbright-xlt-optical-multicoatings","title":"Celestron 4.7\" Omni XLT 120 Equatorial Refractor with Starbright XLT Optical Multicoatings","description":"\u003cp\u003eThis Celestron Omni XLT 120 refractor puts large 4.7\" aperture fully Starbright XLT multicoated achromatic optics on a solid German equatorial mount. The result is an excellent mix of performance, portability, and features at a price that's surprisingly low for a scope of this aperture.\u003c\/p\u003e\n\u003cdiv class=\"heading\"\u003e\u003cstrong\u003eThis Celestron telescope has:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e• 120mm f\/8.3 achromatic refractor optics \u003cbr\u003e• StarBright XLT multicoatings for the highest possible light transmission\u003cbr\u003e• CG-4 German equatorial mount with ball bearings and stainless steel tripod\u003cbr\u003e• 6 x 30mm finderscope \u003cbr\u003e• 25mm 1.25\" eyepiece (40x) \u003cbr\u003e• 2-year warranty\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eThe Celestron Omni XLT 120 refractor combines quality 4.7\" refractor optics with a solid German equatorial mount - at a very sensible price for a scope of its aperture and quality. It provides an excellent mix of performance, portability, stability, and features that any serious backyard astronomer can appreciate.\u003c\/p\u003e\n\u003cp\u003eFor the observer whose interests are the brighter solar system and deep space objects, the Omni XLT 120 has a lot to offer. It is exceptional for observing within the solar system. Its views of subtle lunar and planetary details are sharp and contrasty, bringing the planets to vivid life in the eyepiece.\u003c\/p\u003e\n\u003cp\u003eIt has a sensibly large aperture and diffraction-free images that make it surprisingly good for much deep space observing, as well. Binary stars and globular star clusters are particularly well-resolved and vivid, with the contrasting colors of many binary systems showing nicely. The brighter nebulas and galaxies stand out against a darker sky background than is possible in a comparably-priced reflector with its light-scattering diagonal mirror.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Optical System . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRefractor optics:\u003c\/strong\u003e 4.7\" (120mm) aperture, 1000mm focal length, f\/8.3 achromatic doublet lens using aspheric shaping technology for images that have virtually no spherical aberration. Chromatic aberration (spurious color) is present, but well controlled for a scope of this aperture. The lens cell is fully collimatable for optimum sharpness. The optical tube length is a very manageable 40\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStarbright XLT multicoated optics:\u003c\/strong\u003e Fully coated on all air-to-glass surfaces with multiple layers of magnesium fluoride and hafnium dioxide antireflection coatings for the highest possible light transmission and contrast. They are the same coatings used on Celestron's largest most expensive optical systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLens cap\/aperture stop:\u003c\/strong\u003e A protective lens cap is provided to cover the objective lens of the telescope and keep it dust-free when the scope is not in use. This lens cap has a built-in aperture stop in the center. When observing the Moon and planets, leaving the lens cap on the telescope with the aperture stop removed will reduce the scope's chromatic aberration (the faint halo of violet light or \"spurious color\" visible around very bright objects in all achromatic refractor telescopes). The scope's resolution will be slightly reduced, but eliminating the spurious color provides a generally more pleasing image for most observers. The lens cap should always be completely removed when observing faint deep sky objects such as nebulas and galaxies, where aperture (light-gathering) is essential and chromatic aberration is not an issue.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDew shield:\u003c\/strong\u003e Slows the formation of dew on the lens in cold weather to extend your undisturbed observing time. Also improves visual and photographic contrast by shielding the lens from off-axis ambient light (the neighbor's yard light, moonlight, etc.)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRack and pinion focuser:\u003c\/strong\u003e 2\" focuser, with 1.25\" eyepiece adapter. Dual focusing knobs with rubber gripping surfaces for precise image control with either hand. The large focus knobs are easy to operate, even while wearing gloves or mittens in cold weather. The eyepiece holder has built-in T-threads for attaching an optional T-ring and camera for prime focus photography.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStar diagonal:\u003c\/strong\u003e 90° viewing angle prism-type 1.25\" star diagonal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEyepiece:\u003c\/strong\u003e Fully multicoated low power 1.25\" 25mm (40x) eyepiece with a 1.25° field of view (two and a half times the diameter of the full Moon).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinderscope:\u003c\/strong\u003e 6 x 30mm straight-through achromatic design, with a wide 7° field of view. Focuses by loosening the trim ring behind the objective lens cell, screwing the lens cell in or out to focus, and tightening the trim ring to lock in the correct focus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Mount . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCG-4 German equatorial mount:\u003c\/strong\u003e The mount has setting circles in both right ascension and declination, worm gear drives and manual slow motion controls in both axes, a latitude scale and fine adjustment controls in both altitude and azimuth, two counterweights totaling 11 pounds so you can easily balance virtually any accessory load, and more. An optional dual axis DC drive\/drive corrector is available for no-hands tracking of celestial objects and photography. It is not possible to upgrade to a computerized go-to drive system. For more details, click on the link in the support tab above.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdjustable height tripod:\u003c\/strong\u003e The tripod has 1.75\" diameter steel legs with a center leg brace for rigidity. It adjusts over a height range from 33\" to 47\". Vibration damping characteristics are excellent. The center leg brace is drilled to form a convenient accessory tray that holds 1.25\" and 2\" eyepiece to keep them up out of the dew-soaked grass.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDovetail tube mount:\u003c\/strong\u003e The scope's optical tube fits into a set of felt-lined split and hinged tube rings that are bolted to a dovetail bar. The dovetail bar in turn slips into a dovetail groove on the mount's equatorial head. Setup and takedown times are exceptionally fast, as a single large hand-tighten knob holds the optical tube in place. A second lock knob prevents the tube from sliding off the mount should the hand-tighten knob accidentally loosen while observing. One of the tube rings has a piggyback camera mount built into it for casual long exposure wide-field astrophotography.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo-year warranty:\u003c\/strong\u003e All Celestron telescopes have a two-year warranty.\u003c\/p\u003e\n\u003cdiv class=\"heading\"\u003eWhat can you see through this 120mm Celestron refractor?\u003c\/div\u003e\n\u003cp\u003eWith a relatively short 1000mm focal length and a light grasp 294 times that of the sharpest dark-adapted eye, the scope is capable of producing surprisingly bright wide-field images of the faint fuzzies outside the solar system - nebulas, galaxies, open star clusters, and more.\u003c\/p\u003e\n\u003cp\u003eBut those objects requiring high power and high contrast - globular clusters, close binary star pairs, lunar and planetary images, etc. - are where this achromatic scope shines. Using optional eyepieces and\/or a Barlow to boost the magnification, you can see subtle solar system details that are virtually invisible in smaller aperture scopes. You can study lunar craters, rilles, mountain ranges, and low contrast lunar ray detail. With reasonable seeing conditions, detail in Jupiter's cloud belts and the Great Red Spot (actually closer in color to the Faint Pink Spot at this point in time) are visible, as are dusky markings on the face of Saturn and Cassini's division in Saturn's brilliant rings. Chromatic aberration (a faint halo of spurious violet light around very bright objects, such as the planets) is present, as it is in all achromatic refractor telescopes, but is generally unobjectionable and is not a problem on the faint objects outside the solar system. Using the lens cap\/aperture stop mentioned above will reduce its visibility. The use of an optional aberration-reducing minus violet filter will also help eliminate the spurious color (which many people find unobjectionable in any case).\u003c\/p\u003e\n\u003cp\u003eOptically and mechanically refined, and very reasonable in cost for a big 4.7\" aperture refractor, this Celestron Omni XLT 120 has enough optical performance to keep you busy for the rest of your life.\u003c\/p\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable class=\"table\" id=\"product-attribute-specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e4.7\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1000mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/8.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeaviest Single Component\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e21 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e250x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotorized Controls\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eOptional Motor Drive Is Available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e46 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e0.97 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplied Eyepiece\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e25mm 1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eView Finder\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e6x30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e12.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFully Starbright XLT multicoated 120mm aperture 1000mm focal length f\/8.3 achromatic optics\u003c\/li\u003e\n\u003cli\u003eCG-4 German equatorial mount with setting circles, manual slow motion controls, and adjustable height steel leg tripod with combined spreader bar\/accessory tray\u003c\/li\u003e\n\u003cli\u003e6 x 30mm straight-through finder\u003c\/li\u003e\n\u003cli\u003e2\" rack and pinion focuser with 1.25\" eyepiece adapter\u003c\/li\u003e\n\u003cli\u003e1.25\" prism-type 90° star diagonal\u003c\/li\u003e\n\u003cli\u003e1.25\" 25mm eyepiece (40x)\u003c\/li\u003e\n\u003cli\u003eDewcap\u003c\/li\u003e\n\u003cli\u003eDust covers\u003c\/li\u003e\n\u003cli\u003eTwo-year warranty.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":40221660446793,"sku":"C120XLT","price":849.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/13749.jpg?v=1662967612"},{"product_id":"astromaster-90-az-3-5-altazimuth-refractor","title":"Celestron AstroMaster 90 AZ, 3.5\" Altazimuth Refractor","description":"\u003cp\u003eThe Celestron AstroMaster 90 altazimuth refractor is a good-value medium aperture refractor for the terrestrial observer or casual astronomer. It is ideal for tracking boats, cars, and wildlife on the ground and scanning the Moon, planets, and star clusters in the night sky.\u003c\/p\u003e\n\u003cp\u003eThe Celestron AstroMaster 90AZ altazimuth refractor is a good choice for a beginning astronomer who also has an eye for nature. This sensibly-priced medium aperture refractor optical system is a good way to begin your journey into the night sky, as well as exploring nature during the day. It provides you with detailed high-contrast views of the Moon and planets in the heavens, as well as sharp views of birds and animals across a lake or across the way.\u003c\/p\u003e\n\u003cp\u003eThe construction of the optical system is first rate, as the AstroMaster has all-glass optical components, with high transmission optical multicoatings for enhanced image brightness and clarity. The mount has a convenient pan handle, like the control handle on a camera tripod, for guiding the scope around the skies or the landscape. A built-in clutch makes operating the well-balanced scope with the pan handle smooth and easy. The scope assembles in only a minute or two, with no tools required.\u003c\/p\u003e\n\u003cp\u003eFor the astronomical observer whose interests are the brighter solar system and deep space objects, the AstroMaster 90 has a lot to offer. Its 3.5\" aperture has a light grasp 165 times that of the sharpest eye for nighttime and twilight use. Its sensibly large aperture and diffraction-free images make it surprisingly good for much deep space observing. Binary stars and globular star clusters are particularly well-resolved and vivid, with the contrasting colors of many binary systems showing nicely. The brighter nebulas and galaxies stand out against a darker sky background than is possible in a comparably-priced reflector with its light-scattering diagonal mirror.\u003c\/p\u003e\n\u003cp\u003eThe AstroMaster 90AZ can also resolve details thirteen times smaller than you can see clearly with your unaided eye. Combine that sharpness with its two eyepieces (a 20mm for 50x magnification and a 10mm for 100x), and you have the ability to see many, many celestial and terrestrial objects that are simply invisible to the unaided eye. Its views of subtle lunar and planetary details are sharp and high in contrast, bringing the planets to vivid life in the eyepiece.\u003c\/p\u003e\n\u003cp\u003eSome chromatic aberration is present in the scope when viewing very bright objects at night, as it is in all achromatic refractor telescopes.\u003c\/p\u003e\n\u003cp\u003eOnce you have scanned your way through the solar system and the Milky Way, you can use the AstroMaster to look at things closer to home. The altazimuth mount will let you easily track objects on the ground and allow you to get a sharply-detailed closer look at nature and your surroundings. The AstroMaster 90 is an economy-priced scope that can open new worlds for you, both on the ground and in the sky.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Optical System . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRefractor optical tube:\u003c\/strong\u003e 90mm (3.5\") aperture. 1000mm focal length f\/11.1 achromatic doublet lens with all-glass optics. No plastic lenses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMulticoated optics:\u003c\/strong\u003e The two-element objective lens has multiple layers of vacuum-deposited antireflection materials on all air-to-glass surfaces for the highest light transmission and good contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDovetail mount:\u003c\/strong\u003e A quick-release dovetail bar on the optical tube fits into a dovetail slot on the mount. The optical tube can be installed and locked firmly in place in seconds using a single no-tool knob on the mount.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDew shield:\u003c\/strong\u003e A dew shield (an extension of the optical tube that's threaded onto the front of the objective lens) slows the formation of dew on the lens in cold weather. This extends your undisturbed observing time. It also improves the contrast when observing objects on the ground during the day.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRack and pinion focuser:\u003c\/strong\u003e The well-made 1.25\" focuser has dual focusing knobs for precise image control with either hand. The good-sized focus knobs are easy to operate, even while wearing gloves or mittens in cold weather.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStar diagonal:\u003c\/strong\u003e The 90° viewing angle 1.25\" star diagonal (eyepiece holder) allows comfortable viewing when looking overhead at the sky. It provides erect mirror image views (objects are reversed left for right). This is not a problem when observing the stars and planets, but may be disconcerting during terrestrial observing, as printing (license plates, the names on boats, etc.) will be backwards. For most nature studies this isn't a problem, though, because a duck still looks like a duck whether he's facing left or right. An optional #6329 45° viewing angle image-erecting diagonal is available if right-reading images are essential. It gives you correctly oriented images and more comfortable extended terrestrial observing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo eyepieces:\u003c\/strong\u003e You get a high power 1.25\" 10mm (100x) eyepiece and a low power 1.25\" 20mm (50x) with a 1° field of view (twice the diameter of the full Moon). Both eyepieces have antireflection coatings on their lens surfaces for sharp images and good contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRed dot finder:\u003c\/strong\u003e A straight-through red dot illuminated finder allows easy non-magnified views of the sky and ground, with a projected red dot of light showing exactly where the scope is pointed at all times.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Mount . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAltazimuth mount:\u003c\/strong\u003e The altazimuth mount with camera tripod-style pan handle provides right\/left and up\/down motions. This is suitable for casual astronomical observing, and will let you easily track objects on the ground to allow you to get a closer look at nature and your surroundings. An adjustable tension clutch knob at the base of the mount allows you to lock the tube in place or to adjust the drag on the scope during right\/left motions. This lets you control how smoothly the mount moves as you move the tube left or right to follow objects moving across the sky or on the land. A simple twist on the pan handle locks the scope in place up and down, as well as letting you adjust the drag on the scope to set the travel smoothness when adjusting its position vertically. The optical tube is well balanced, but keeping your hand on the pan handle at all times when the clutches are unlocked would be a sensible safety precaution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTripod:\u003c\/strong\u003e The lightweight pre-assembled tripod has 1.25\" diameter stainless steel legs to provide a rigid and stable observing platform. It easily adjusts in height with no tools needed for standing or seated observations through the telescope. Spreader bars lock the legs firmly open when the tripod is set up. The tripod includes a convenient accessory tray that attaches to the spreader bars to hold your eyepieces and accessories close at hand and up out of the dew-soaked grass. The no-tool lock knobs that adjust the leg height of the tripod are on the inside of the legs so they won't snag on clothing in the dark, a thoughtful touch that's sure to be appreciated.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo year warranty:\u003c\/strong\u003e As an expression of Celestron's confidence in the quality of their products, the AstroMaster is protected by Celestron's two-year limited warranty against flaws in materials and workmanship.\u003c\/p\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e3.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1000mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/11.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e167x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e20 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.29 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplied Eyepiece\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e20mm and 10mm 1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eView Finder\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eBuilt-On StarPointer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e12.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e90mm aperture achromatic refractor optical tube with multicoated optics, dovetail mounting bar, and 1.25\" rack and pinion focuser\u003c\/li\u003e\n\u003cli\u003eAltazimuth mount with pan handle for control in altitude and azimuth and locks on both axes\u003c\/li\u003e\n\u003cli\u003e10mm (100X) and 20mm (50X) eyepieces\u003c\/li\u003e\n\u003cli\u003e90° 1.25\" star diagonal\u003c\/li\u003e\n\u003cli\u003eRed dot illuminated non-magnifying finder\u003c\/li\u003e\n\u003cli\u003eOperating instructions\u003c\/li\u003e\n\u003cli\u003eTheSky Level 1 CD-ROM software\u003c\/li\u003e\n\u003cli\u003eNo-tool adjustable height tripod with stainless steel legs and accessory tray.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":40221660512329,"sku":"AM90A","price":329.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/13754.jpg?v=1662967615"},{"product_id":"astromaster-90-eq-3-5-equatorial-refractor","title":"Celestron AstroMaster 90 EQ, 3.5\" Equatorial Refractor","description":"\u003cp\u003eThe Celestron AstroMaster 90 equatorial refractor is a big step up from a 60mm refractor \"starter scope.\" While it is surprisingly close to many economy 60mm scopes in price, it is far above them in features, quality, and optical performance.\u003c\/p\u003e\n\u003cp\u003eThis Celestron AstroMaster 90EQ is a 3.5\" (90mm) aperture equatorial refractor. It is surprisingly economical, considering the performance and features you get versus the price you pay.\u003c\/p\u003e\n\u003cp\u003eMany beginners start out with an inexpensive 60mm (2.4\") toy-store refractor, although too often they find to their dismay that a scope that size is too small for serious observing outside the solar system. For not much more money than a 60mm scope, this 90mm Celestron telescope gives you 125% more light gathering for brighter deep space images (and a full 50% higher resolution than a 60mm for revealing planetary details!)\u003c\/p\u003e\n\u003cp\u003eThe construction of the optical system is first rate, as the AstroMaster has all-glass optical components, with high transmission optical multicoatings for enhanced image brightness and clarity. For the observer whose interests are the brighter solar system and deep space objects, the AstroMaster 90 equatorial has a lot to offer. Its 3.5\" aperture has a light grasp 165 times that of the sharpest eye for nighttime and twilight use. Its sensibly large aperture and diffraction-free images make it surprisingly good for much deep space observing. Binary stars and globular star clusters are particularly well-resolved and vivid, with the contrasting colors of many binary systems showing nicely. The brighter nebulas and galaxies stand out against a darker sky background than is possible in a comparably-priced reflector with its light-scattering diagonal mirror.\u003c\/p\u003e\n\u003cp\u003eThe AstroMaster 90EQ can also resolve details thirteen times smaller than you can see clearly with your unaided eye. Combine that sharpness with its two eyepieces (a 20mm for 50x magnification and a 10mm for 100x), and you have the ability to see many, many lunar and solar system details that are simply invisible in a lesser scope. Its views of subtle lunar and planetary details are sharp and high in contrast, bringing the planets to vivid life in the eyepiece.\u003c\/p\u003e\n\u003cp\u003eSome chromatic aberration is present in the scope when viewing very bright objects at night, as it is in all achromatic refractor telescopes.\u003c\/p\u003e\n\u003cp\u003eThe Celestron AstroMaster 90EQ equatorial refractor is an optically good and mechanically solid astronomical telescope at a very reasonable price. It may well be the ideal telescope for you if you're a beginning astronomer on a budget who wants more than a toy telescope.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Optical System . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRefractor optical tube:\u003c\/strong\u003e 90mm (3.5\") aperture. 1000mm focal length f\/11.1 two-element crown and flint glass achromatic doublet. No plastic lenses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMulticoated optics:\u003c\/strong\u003e The two-element objective lens has multiple layers of vacuum-deposited antireflection materials on all air-to-glass surfaces for the highest light transmission and good contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDovetail mount:\u003c\/strong\u003e A quick-release dovetail bar on the optical tube fits into a dovetail slot on the mount. The optical tube can be installed and locked firmly in place in seconds using a single no-tool knob on the mount.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDew shield:\u003c\/strong\u003e A dew shield (an extension of the optical tube that's threaded onto the front of the objective lens) slows the formation of dew on the lens in cold weather. This extends your undisturbed observing time. It also improves the contrast when observing objects on the ground during the day.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRack and pinion focuser:\u003c\/strong\u003e The well-made 1.25\" focuser has dual focusing knobs for precise image control with either hand. The good-sized focus knobs are easy to operate, even while wearing gloves or mittens in cold weather.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStar diagonal:\u003c\/strong\u003e The 90° viewing angle 1.25\" star diagonal (eyepiece holder) allows comfortable viewing when looking overhead at the sky. It provides erect mirror image views (objects are reversed left for right) with the supplied high power eyepiece. This is not a problem when observing the stars and planets, but may be disconcerting during terrestrial observing, as printing (license plates, the names on boats, etc.) will be backwards. For most nature studies this isn't a problem, though, because a duck still looks like a duck whether he's facing left or right. An optional #6329 45° viewing angle image-erecting diagonal is available if right-reading images are essential. It gives you correctly oriented images and more comfortable extended terrestrial observing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo eyepieces:\u003c\/strong\u003e You get a high power 1.25\" 10mm (100x) eyepiece and a low power erect image 1.25\" 20mm (50x) with a 1° field of view (twice the diameter of the full Moon). The 50x erect image eyepiece lets you use the 90EQ terrestrially, as its images are not reversed as they are with most refractors. However, the equatorial mount will make it difficult to center and track objects on the ground. The erect image eyepiece will probably serve you better for lunar observing, as it will show you a familiar image of the Moon, oriented as you see it with your unaided eyes or binoculars. Both eyepieces are of a higher quality optical design than you'll find in most other telescopes in this price range. They have antireflection coatings on their lens surfaces for sharp images and very good contrast. Instead of providing low quality eyepieces that give unrealistically high (and generally unusable) 200-300x magnifications as most economy telescope manufacturers do, Celestron has chosen to provide higher quality eyepieces with sensible powers you can use and enjoy every time you take your AstroMaster 90EQ out to observe.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRed dot finder:\u003c\/strong\u003e A straight-through red dot illuminated finder allows easy non-magnified views of the sky and ground, with a projected red dot of light showing exactly where the scope is pointed at all times. Stars appear through the finder in the same orientation that they appear on star charts. There's no confusing reversal and inversion of the image as you'll find in an ordinary straight-through finderscope.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Mount . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEquatorial mount:\u003c\/strong\u003e The scope's sturdy CG-3 equatorial mount is designed for astronomical observing. By aligning the mount on the north celestial pole, you only need to turn one slow motion control knob to follow planets and stars as they travel across the sky. An economical optional #MDASTRO battery-operated right ascension motor drive takes the slow motion control out of your hand and makes following the stars a no-hands operation. Two counterweights on the opposite side of the mount from the telescope tube balance the weight of the optical tube and make it easy to move the scope effortlessly from one part of the sky to another. No tools are required to adjust the position of the counterweights to quickly and precisely balance the optical tube. A micrometer control lets you adjust the altitude of the scope mount to match your latitude for fast alignment on the north celestial pole with no tools required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSetting circles:\u003c\/strong\u003e Setting circles (graduated scales marked in either hours and minutes or degrees) are provided in both right ascension (the east\/west position of objects in the sky measured in hours and minutes) and declination (the north\/south position measured in degrees). These allow you to align the scope on the approximate position of an object in the sky by using its r. a. and dec coordinates from a star chart or atlas - before you search for it in the finderscope and eyepiece. Setting circles can reduce the time it takes for you to find the fainter and more difficult deep space objects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManual slow motion controls:\u003c\/strong\u003e There are two slow motion control knobs conveniently positioned on the mount so they are easy to reach while observing. One controls the scope's motion in right ascension (the east\/west direction in the sky). Turning this knob enables you to follow the motion of celestial objects as they travel from east to west across the sky. The second controls the scope's motion in declination (the north\/south direction in the sky). Turning this knob enables you to correct for any north\/south drift a celestial object may take as it moves across the sky, due to an improper alignment of the scope on the north celestial pole when you first set it up. The two controls combine to give you complete access to any part of the sky. They give you the ability to star hop from a known object to any other object by using a star chart. They let you center objects in the field of view, then track them effortlessly with only an occasional quick turn of the r. a. knob. As mentioned above, an optional motor drive is available for hands-free tracking.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTripod:\u003c\/strong\u003e The lightweight pre-assembled tripod has 1.25\" diameter stainless steel legs to provide a rigid and stable observing platform. It easily adjusts in height with no tools needed. The no-tool lock knobs that adjust the leg height of the tripod are on the inside of the legs so they won't snag on clothing in the dark, a thoughtful touch that's sure to be appreciated. Spreader bars lock the legs firmly open when the tripod is set up. The tripod includes a convenient accessory tray that attaches to the spreader bars to hold your eyepieces and accessories close at hand and up out of the dew-soaked grass.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo year warranty:\u003c\/strong\u003e As an expression of Celestron's confidence in the quality of their products, the AstroMaster 90 is protected by Celestron's two-year limited warranty against flaws in materials and workmanship.\u003c\/p\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e3.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1000mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/11.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeaviest Single Component\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e18 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e167x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotorized Controls\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eOptional Motor Drive Is Available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e23 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.29 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplied Eyepiece\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e20mm and 10mm 1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eView Finder\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eBuilt-On StarPointer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e12.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e90mm aperture achromatic refractor optical tube with multicoated optics, dovetail mounting bar, and 1.25\" rack and pinion focuser\u003c\/li\u003e\n\u003cli\u003eCG-3 equatorial mount with manual slow motion controls in altitude and azimuth and locks on both axes\u003c\/li\u003e\n\u003cli\u003e10mm (100X) and 20mm (50X) eyepieces\u003c\/li\u003e\n\u003cli\u003e90° 1.25\" star diagonal\u003c\/li\u003e\n\u003cli\u003eRed dot illuminated non-magnifying finder\u003c\/li\u003e\n\u003cli\u003eOperating instructions\u003c\/li\u003e\n\u003cli\u003eTheSky Level 1 CD-ROM software\u003c\/li\u003e\n\u003cli\u003eNo-tool adjustable height tripod with stainless steel legs and accessory tray.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":40221660545097,"sku":"AM90E","price":359.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/13755.jpg?v=1662967616"},{"product_id":"takahashi-fsq-85ed-baby-q-3-35-f-5-3-dual-ed-four-element-design","title":"Takahashi FSQ-85EDX \"Baby Q\" 3.35\" F\/5.3 Dual ED\/Four Element Design","description":"\u003cp\u003eThe new Takahashi FSQ-85ED (the \"Baby Q\") apochromatic ED quadruplet is a clear leader in the ranks of relatively small aperture refractors. Its four-element double ED element modified Petzval optical system has been optimized for imaging as well as visual applications. It is measurably the best no-compromise portable photo-visual refractor under 102mm in aperture that Takahashi has ever built, and they've built a lot of \u003cem\u003every \u003c\/em\u003egood small scopes over the years.\u003c\/p\u003e\n\u003cp\u003eThe FSQ-85ED is a 3.35\" aperture f\/5.3 (450mm focal length) four-lens photo\/visual system using two ED (Extra-low Dispersion) glass elements. Based on the classic two-doublet Petzval design, the FSQ-85ED takes full advantage of the latest exotic glass types to produce levels of correction for coma, astigmatism, field curvature, secondary spectrum, spherical aberration, and spherochromatism that are unsurpassed - even better than their legendary fluorite scopes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Optical System . . . \u003c\/strong\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApochromatic modified Petzval refractor optical system: \u003c\/strong\u003e3.35\" aperture f\/5.3 (450mm focal length) four-lens fully-multicoated system using two ED (Extra-low Dispersion) glass elements. The modified Petzval design uses a true apochromatic doublet objective lens with an ED element to gather the light. For most telescope manufacturers, this would be enough. But Takahashi goes a step further to perfect your observing and imaging experience. There is a second widely air-spaced ED doublet buried deep within the telescope body. This second doublet optimizes the optical wavefront from the objective lens to eliminate any residual astigmatism. It also acts as a field flattener for wide field astrophotography. The result is a very wide and flat field with high contrast images that are without any hint of lateral color. Color correction has been extended to 1000nm, well into the infrared, to produce non-bloated photographic star images\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Image Circle: \u003c\/strong\u003eAt prime focus the 44mm image circle covers a huge area of the sky measuring 5.6° in diameter, over 24 square degrees of sky. The large image circle will fully cover any 35mm negative or 35mm equivalent CCD chip (a 35mm negative and the largest currently available SBIG Research Series chip measure only 44mm across their diagonals). Light fall-off at the edges of the field is minor and easily compensated for in a CCD image by a simple flat field.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Back Focus: \u003c\/strong\u003eThe very generous back focus of 200mm allows the user to attach a variety of imaging packages, binoviewers, 2\" star diagonals, and many other visual devices. The 200mm back focus has been designed to handle the ever-larger image trains of CCD imaging experts - electric focusers or temperature compensated focusers, flip mirror systems, filter wheels, adaptive optics systems, etc.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Mechanical System . . . \u003c\/strong\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Optical Tube: \u003c\/strong\u003eThe all-aluminum 95mm diameter scope body is finished in ivory, with Takahashi green and black trim, and is very solidly built. The tube length of only 12.7\" with the dew shield retracted and no visual accessories attached makes the \"Baby Q\" highly airline-transportable. The FSQ-85ED uses a special optional \u003ca href=\"\/takahashi-tube-holder-with-offset-plate-for-fsq-85ed-baby-q-refractor_p16487.aspx\"\u003e#85TH tube holder with offset plate\u003c\/a\u003e designed specifically to mount this scope on an equatorial mount and balance it properly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFocuser: \u003c\/strong\u003eThe focuser is an 80mm (3.15\") rack-and-pinion design whose drawtube terminates in a 2\" eyepiece\/accessory holder. A 1.25\" compression ring eyepiece\/star diagonal adapter fits into the extension tube to hold 1.25\" accessories and is held in place by the extension tube's thumbscrews. The scope should reach visual focus with most 2\" star diagonals. Straight-through viewing and 1.25\" diagonal use will require adding optional eyepiece extension tube #TET0002, at $69.95. The focuser has a silky-smooth motion and oversize knobs that make it easy to achieve sharp focus, even at very high powers. The right focuser knob has a smaller separate concentric knob that controls a 10:1 ratio Micro Edge fine focuser for critical high magnification and photographic focusing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamera angle adjuster: \u003c\/strong\u003eThe focuser includes a built-in camera angle adjuster\/rotator that will carry a 5kg (11 lb.) load to handle the weight of the new large chip CCD cameras and their associated accessories. The camera angle rotation is controlled by a large hand-tighten knob on the top of the focuser drawtube.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinderscope: \u003c\/strong\u003eNo finderscope is supplied. There is a flat boss on the upper left side of the focuser that will accept an optional Takahashi finder bracket and finderscope. An optional 6 x 30mm Takahashi finderscope is shown in the feature images below.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDew shield: \u003c\/strong\u003eThe optical tube has a retractable self-storing dew shield. A thumbscrew locks the dew shield in place, either when extended or when retracted. The dew shield serves the dual purpose of retarding the formation of dew during long observing sessions and improving the photo\/visual contrast, much as a camera lens shade does.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e3.35\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e450mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/5.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e180x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e8.8 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.36 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e12.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/blockquote\u003e","brand":"Takahashi","offers":[{"title":"Default Title","offer_id":40221664280649,"sku":"FSQ85","price":4280.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/16492.jpg?v=1662967729"},{"product_id":"celestron-powerseeker-70-eq-2-75-equatorial-refractor","title":"Celestron PowerSeeker 70 EQ, 2.75\" Equatorial Refractor  21037","description":"\u003cp\u003eThe Celestron PowerSeeker 70 equatorial refractor is a great scope for the beginning astronomer who wants good images of the Moon, planets, star clusters, and binary stars – but at a price not much higher than an ordinary 60mm toy store scope.\u003c\/p\u003e\n\u003cp\u003eThis 70mm Celestron PowerSeeker 70 EQ refractor is a good choice for a beginning astronomer with a limited budget who wants to see some serious views of the Moon, planets, binary stars, and star clusters. The construction of the optical system is quite good, as the Celestron PowerSeeker has all-glass optical components, with high transmission coatings for enhanced image brightness and clarity. The equatorial mount has slow motion controls in both axes, to let you easily track objects across the sky.\u003c\/p\u003e\n\u003cp\u003eThe PowerSeeker 70 has a light grasp 100 times that of the sharpest eye. Combine that light grasp with its two eyepieces (a 20mm and a 4mm) and 3x Barlow lens, and you have the ability to see many, many celestial sights that are simply invisible to the unaided eye. It can open a whole new world to you, at a surprisingly affordable price.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Optical System . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRefractor optical tube:\u003c\/strong\u003e 70mm (2.75\") aperture air-spaced two-element crown and flint glass achromatic lens. 700mm focal length f\/10 all-glass optics. No plastic lenses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCoated optics:\u003c\/strong\u003e The objective lens has antireflection coatings on all surfaces for high light transmission and good contrast. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDew shield:\u003c\/strong\u003e A dew shield (an extension of the optical tube that's threaded onto the front of the objective lens) slows the formation of dew on the lens in cold weather. This extends your undisturbed observing time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRack and pinion focuser:\u003c\/strong\u003e The 1.25\" focuser has dual focusing knobs for precise image control with either hand. The large focus knobs are easy to operate, even while wearing gloves or mittens in cold weather.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStar diagonal:\u003c\/strong\u003e The 90° viewing angle 1.25\" star diagonal (eyepiece holder) allows comfortable viewing when looking overhead at the sky. It has a built-in image erecting prism that provides right-reading images that show you the sky and lunar features oriented the same way you see them through binoculars or with your unaided eye.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo eyepieces:\u003c\/strong\u003e You get a high power 1.25\" 4mm (175x) eyepiece and a low power 1.25\" 20mm (35x) with a 1.4° field of view (nearly three the diameter of the full Moon). Both eyepieces have antireflection coatings on their lens surfaces for sharp images and good contrast. The 4mm eyepiece is realistically beyond the scope's usable magnification limit on all but the very rare nights of very good seeing conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBarlow lens:\u003c\/strong\u003e A 1.25\" 3x Barlow lens is included that triples the magnification of the two supplied eyepieces to 105x and 525x. The 675x magnification of the 4mm eyepiece\/Barlow combination is far beyond the scope's usable magnification capability, however. Do not count on using that optical combination very often, if at all. A lower power eyepiece, such as a 40mm (17.5x; 52.5x with the Barlow), would provide a pair of magnifications more useful than the impractical 525x of the 4mm and Barlow combination.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinderscope:\u003c\/strong\u003e A low power 5x24mm finderscope attaches to the side of the optical tube. The straight-through viewing refractor finderscope provides a traditional inverted mirror-image astronomical view. If properly collimated (aligned) with the view through the main telescope, its crosshairs will help you center distant objects in the telescope so you don't have to search for them using the narrow eyepiece field of view.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Mount . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEquatorial mount:\u003c\/strong\u003e The equatorial mount is designed for astronomical observing. By aligning the mount by eye on the north celestial pole (Polaris), you only need to turn one slow motion control knob to follow planets and stars as they travel across the sky. A counterweight on the opposite side of the mount from the telescope balances the weight of the optical tube and makes it easy to move the scope effortlessly from one part of the sky to another.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSetting circles:\u003c\/strong\u003e Setting circles (graduated scales marked in either hours and minutes or degrees) are provided in both right ascension (the east\/west position of objects in the sky measured in hours and minutes) and declination (the north\/south position measured in degrees). These allow you to align the scope on the approximate position of an object in the sky by using its r. a. and dec coordinates from a star chart - before you search for it in the finderscope and eyepiece. Setting circles can reduce the time it takes for you to find the fainter and more difficult deep space objects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManual slow motion controls:\u003c\/strong\u003e There are two slow motion control knobs connected to the mount by long flexible cables so they are easy to reach while observing. One controls the scope's motion in right ascension (the east\/west direction in the sky). Turning this knob enables you to follow the motion of celestial objects as they travel from east to west across the sky.\u003c\/p\u003e\n\u003cp\u003eThe second controls the scope's motion in declination (the north\/south direction in the sky). Turning this knob enables you to correct for any north\/south drift a celestial object may take as it drifts across the sky, due to an improper alignment of the scope on the north celestial pole when you first set it up.\u003c\/p\u003e\n\u003cp\u003eThe two controls combine to give you complete access to any part of the sky. They give you the ability to star hop from a known object to any other object by using a star chart. They let you center objects in the field of view, and track them effortlessly with only an occasional quick turn of the r. a. knob.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTripod:\u003c\/strong\u003e The lightweight aluminum tripod easily adjusts for standing or seated observations through the telescope. The tripod includes an accessory shelf that holds your eyepieces and Barlow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo year warranty:\u003c\/strong\u003e As an expression of Celestron's confidence in the quality of their products, the PowerSeeker is protected by Celestron's two-year limited warranty against flaws in materials and workmanship.\u003c\/p\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable class=\"table\" id=\"product-attribute-specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2.75\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBinary and Star Cluster Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e700mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGalaxy and Nebula Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e140x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLunar Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e14 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlanetary Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.65 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplied Eyepiece\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e20mm, 4mm, 3x Barlow 1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eView Finder\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5x24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e11.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e70mm aperture achromatic refractor optical tube with fully coated optics and 1.25\" rack and pinion focuser\u003c\/li\u003e\n\u003cli\u003eEquatorial mount with setting circles, manual slow-motion controls, and locks on both axes\u003c\/li\u003e\n\u003cli\u003e4mm (175X) and 20mm (35X) eyepieces\u003c\/li\u003e\n\u003cli\u003e90° 1.25\" erect image star diagonal\u003c\/li\u003e\n\u003cli\u003e3x 1.25\" Barlow lens\u003c\/li\u003e\n\u003cli\u003e5 x 24mm straight-through finderscope\u003c\/li\u003e\n\u003cli\u003eOperating instructions\u003c\/li\u003e\n\u003cli\u003eTheSky X CD-ROM software\u003c\/li\u003e\n\u003cli\u003eAdjustable height aluminum tripod with accessory tray.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":40221664313417,"sku":"PS70E","price":179.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/16516.jpg?v=1662967730"},{"product_id":"explore-scientific-es80-80mm-f-6-ed-essential-series-fcd-1-ed-apo-triplet-refractor","title":"Explore Scientific ES80 80mm f\/6 ED \"Essential Series\" FCD-1 ED APO Triplet Refractor","description":"\u003cp\u003eThis 80mm Explore Scientific \"Essential Series\" ED triplet apochromatic refractor is loaded with features and is priced hundreds of dollars less than many competitive 80mm triplet scopes - and even less than many competitive doublets . . .\u003c\/p\u003e\n\u003cdiv class=\"heading\"\u003e\u003cstrong\u003eThis Explore Scientific ES80 \"Essential Series\" refractor has:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\n\u003cul\u003e\n\u003cli\u003e80mm f\/6 fully multicoated triplet optics using a Hoya FCD-1 FPL51-equivalent ED element\u003c\/li\u003e\n\u003cli\u003eDual-speed 2\" Crayford focuser with 10:1 ratio fine focusing\u003c\/li\u003e\n\u003cli\u003e2\" dielectric star diagonal with 2\" and 1.25\" brass compression ring eyepiece holders\u003c\/li\u003e\n\u003cli\u003eVixen-style dovetail mounting foot\u003c\/li\u003e\n\u003cli\u003ePre-mounted base for finderscope (finder not included)\u003c\/li\u003e\n\u003cli\u003eExtended lifetime warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe Explore Scientific ES80 \"Essential Series\" refractor uses a premium Hoya FCD-1 ED glass element and state-of-the-art optical multicoatings in its apochromatic air-spaced ED triplet optics. The result is images that are essentially free of the annoying halo of unfocused violet light (chromatic aberration) that mars the view of bright stars and solar system objects in lesser scopes, despite the fast focal ratio of the ES80, and even at very high magnifications.\u003c\/p\u003e\n\u003cp\u003eAt only 5.95 lbs, the Explore Scientific ES80 is a natural as a lightweight grab-and-go scope for spur-of-the-moment backyard astronomy. It also makes a top-notch travel scope to take across town or around the world. In addition, it's a nifty fast focal ratio astrograph to piggyback on a larger scope for serious wide field imaging, or you can even use it on a big altazimuth or equatorial mount as the heart of your observing system.\u003c\/p\u003e\n\u003cp\u003eConsidering its surprisingly low price for an apochromatic triplet, and in view of the great optical performance that comes as standard equipment, the 80mm Explore Scientific ES80 is a terrific buy!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures of this telescope . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAir-spaced ED apochromatic triplet refractor optics:\u003c\/strong\u003e 80mm (3.1\") aperture, 480mm focal length, f\/6 focal ratio three-lens air-spaced optical system. The optics use a center lens element of Hoya FCD1 (Dense Fluor Crown) glass, the Hoya equivalent of FPL-51 ED (Extra-low Dispersion) glass. This ED element produces superior sharpness and color correction by minimizing the chromatic aberration, the \"false\" color fringing seen around bright objects when light rays pass through standard crown-and-flint doublet objectives. The result is to reduce spurious color halos and fringing to vanishingly low levels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFully multicoated optics:\u003c\/strong\u003e The ES80 triplet objective lens has EMD™ (Enhanced Multilayer Deposition) antireflection multicoatings on all air-to-glass surfaces for high light transmission, minimal light scatter, and excellent contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInternal light baffles:\u003c\/strong\u003e The aluminum tube has contrast-enhancing internal light baffles and a specially darkened tube interior to provide dark sky backgrounds and high terrestrial contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCollimatable optics:\u003c\/strong\u003e One of the bonuses of owning a refractor is that, compared to standard reflector telescopes, they almost never require realigning of the optics (collimation). However, any air-spaced refractor telescope may require optical recentering if the lens elements are knocked out of alignment by a heavy blow during shipping or use. Removing the dew shield will give you access to the lens centering screws in the sides of the lens cell, which you can then adjust yourself by referring to the supplied instructions. You can also send your scope to Explore Scientific's Service Center for precision alignment. A standard service charge applies for factory realignment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDew shield:\u003c\/strong\u003e The supplied removable dew shield slows the formation of dew on the lens in cold weather to extend your undisturbed observing time. It also improves the contrast, similar to the effect of the lens shade on a camera lens, when observing during the day or when there is excessive ambient light at night, such as a neighbor's backyard security light. A single thumbscrew holds the dew shield in place, allowing the felt-lined dew shield to be removed from the scope, reversed, slid back onto the optical tube, and stored for transport in only a few seconds. The optical tube measures a compact 18.5\" long, including the dew shield. A thread-in metal dust cap for the optical tube is standard.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual speed 2\" rack and pinion focuser:\u003c\/strong\u003e The precision-made no-backlash focuser has dual-speed focusing. There are two coarse focusing knobs. The right knob also has a smaller concentric knob with a 10:1 reduction gear microfine focusing ratio. This provides exceptionally precise image control during high magnification visual observing and critical DSLR or CCD imaging. The large focus knobs have ribbed gripping surfaces so they are easy to operate, even while wearing gloves or mittens in cold weather.\u003c\/p\u003e\n\u003cp\u003eThe focuser drawtube has a scale marked in centimeters and 1mm increments. This lets you note individual focuser positions for easy return to the correct focus when switching between visual use and photography. Two knobs underneath the focuser lets you adjust the tension on the drawtube to accommodate varying eyepiece\/photo accessory loads, as well as firmly lock in a photographic focus. The focuser has a non-marring 2\" brass compression ring equipment holder.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2\" dielectric star diagonal and compression ring eyepiece holders:\u003c\/strong\u003e The supplied standard equipment 2\" mirror star diagonal of the ES80CF slips into the focuser drawtube's 2\" eyepiece\/accessory holder. The 2\" diagonal has 99% reflectivity dielectric mirror coatings for high light transmission. The star diagonal uses a non-marring soft brass compression ring to hold 2\" eyepieces in place. The compression ring won't scratch the barrel of your 2\" eyepieces as an ordinary thumbscrew can.\u003c\/p\u003e\n\u003cp\u003eA supplied 1.25\" accessory adapter slips into the 2\" diagonal to let you use 1.25\" eyepieces in the 2\" diagonal. The 1.25\" accessory adapter can also be inserted into the 2\" accessory holder on the focuser drawtube to let you use a 1.25\" image erecting diagonal, or 1.25\" photographic accessories. Like the 2\" eyepiece holder on the diagonal, the 1.25\" adapter also uses a non-marring soft brass compression ring to hold 1.25\" star diagonals and accessories in place.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMounting foot:\u003c\/strong\u003e For serious astronomy and astrophotography, the ES80 has an L-shaped dovetail mounting foot that is shaped to fit directly into the Vixen-style dovetail slot on the head of many of the most popular light to medium capacity altazimuth mounts and Celestron VX Series go-to German equatorials, among others. In addition, the dovetail has both 1\/4\"-20 and 3\/8\" holes that allow you to mount the 7.5 pound scope (when including diagonal) directly onto any good photo tripod for casual astronomy or daytime terrestrial observing. A knob on the body of the scope allows you to rotate the tube assembly and focuser to line up a camera in either a landscape or portrait orientation (or any orientation in between), then temporarily lock the focuser in that position.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExtended lifetime warranty:\u003c\/strong\u003e This individually serial numbered Explore Scientific telescope is backed by a limited one year warranty, which will be extended to an Explore Scientific transferable Extended Life of the Product limited warranty when its warranty card is registered with Explore Scientific within 60 days of purchase.\u003c\/p\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable class=\"table\" id=\"product-attribute-specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e3.1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBinary and Star Cluster Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eVery Good\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e480mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGalaxy and Nebula Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eFair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e160x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLunar Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGreat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e7.5 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlanetary Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eVery Good\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.45 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e12.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1 year, extendable to lifetime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVixen-style dovetail mount\u003c\/li\u003e\n\u003cli\u003eRotating 2\" dual speed rack and pinion focuser\u003c\/li\u003e\n\u003cli\u003eMounting shoe for optional finderscope\u003c\/li\u003e\n\u003cli\u003eDust covers.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":40221666934857,"sku":"ES80B","price":699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/files\/DSC09061_1390x1390_acc879c8-1beb-4165-85a7-b582ecff1f79.webp?v=1722357401"},{"product_id":"explore-scientific-es127-127mm-f-7-5-essential-series-fcd-1-ed-triplet-refractor","title":"Explore Scientific ES127 127mm f\/7.5 \"Essential Series\" FCD-1 ED Triplet Refractor","description":"\u003cp\u003eThis big 127mm (5\") Explore Scientific \u003cem\u003eEssential Series\u003c\/em\u003e air-spaced ED triplet apochromatic refractor is loaded with quality optical performance at a surprisingly reasonable price for a scope of its size and optical quality . . .\u003c\/p\u003e\n\u003cdiv class=\"heading\"\u003e\u003cstrong\u003eThis 5\" Explore Scientific ES127 \"Essential Series\" apochromatic refractor has:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\n\u003cul\u003e\n\u003cli\u003e127mm f\/7.5 fully multicoated triplet optics using a Hoya FPL51-equivalent ED element\u003c\/li\u003e\n\u003cli\u003eDual-speed 2\" rack and pinion focuser with 10:1 ratio fine focusing\u003c\/li\u003e\n\u003cli\u003eMounting rings with dovetail for use on a Vixen-style altazimuth or German equatorial mount\u003c\/li\u003e\n\u003cli\u003eFinderscope base installed on OTA\u003c\/li\u003e\n\u003cli\u003eExtended product lifetime warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eWith a 5\" (127mm) aperture, this Explore Scientific \"Essentials Series\" ES127 ED triplet refractor gathers 55% more light (with nearly 25% higher resolution) than the more common size 102mm (4\") doublet and triplet refractors that often cost nearly as much as the ES127.\u003c\/p\u003e\n\u003cp\u003eThe Explore Scientific ES127 uses a premium Hoya ED glass element and state-of-the-art optical multicoatings in its apochromatic air-spaced ED triplet optics. The result is images that are essentially free of the annoying halo of unfocused violet light (chromatic aberration) that mars the view of bright stars and solar system objects in lesser scopes, despite the scope's relatively large aperture, and even at very high magnifications.\u003c\/p\u003e\n\u003cp\u003eThe Explore Scientific ES127 is a natural on an equatorial mount as the heart of your primary observing system. In addition, it's an excellent astrograph for serious wide field imaging, as well as crisp solar system imaging. Considering its surprisingly reasonable price for a 5\" apochromatic triplet and in view of the great optical performance that comes as standard equipment, the 5\" Explore Scientific ES127 is a terrific buy!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures of this Telescope . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eED triplet refractor optics:\u003c\/strong\u003e 127mm (5\") aperture, 952mm focal length, f\/7.5 focal ratio three-lens air-spaced optical system. The optics use a center lens element of Hoya FCD1 (Dense Fluor Crown) glass, the Hoya equivalent of FPL-51 ED (Extra-low Dispersion) glass. This ED element produces superior sharpness and color correction by minimizing the chromatic aberration, the \"false\" color fringing seen around bright objects when light rays pass through standard crown-and-flint doublet objectives, particularly those with apertures in the ES127 class. The result is to reduce spurious color halos and fringing to vanishingly low levels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFully multicoated optics:\u003c\/strong\u003e The ES127 triplet objective lens has EMD™ (Enhanced Multilayer Deposition) antireflection multicoatings on all air-to-glass surfaces for high light transmission, minimal light scatter, and excellent contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInternal light baffles:\u003c\/strong\u003e The aluminum tube body has contrast-enhancing internal light baffles and a specially darkened tube interior to provide dark sky backgrounds and high contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCollimatable optics:\u003c\/strong\u003e One of the bonuses of owning a refractor is that, compared to standard reflector telescopes, they almost never require realigning of the optics (collimation). However, any air-spaced refractor telescope may require optical recentering if the lens elements are knocked out of alignment by a heavy blow during shipping or use. Removing the dew shield will give you access to the lens centering screws in the sides of the lens cell, which you can then adjust yourself by referring to the supplied instructions. You can also send your scope to Explore Scientific's Service Center for precision alignment. A standard service charge applies for factory realignment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDew shield:\u003c\/strong\u003e The supplied retractable dew shield slows the formation of dew on the lens in cold weather to extend your undisturbed observing time. It also improves the contrast, similar to the effect of the lens shade on a camera lens, when observing during the day or when there is excessive ambient light at night, such as a neighbor's backyard security light. A slip-on metal dust cap is standard.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual speed 2\" rack and pinion focuser:\u003c\/strong\u003e The rotating precision-made no-backlash focuser has dual-speed focusing. There are two coarse focusing knobs. The right knob also has a smaller concentric knob with a 10:1 reduction gear microfine focusing ratio. This provides exceptionally precise image control during high magnification visual observing and critical DSLR or CCD imaging. The large focus knobs have ribbed gripping surfaces so they are easy to operate, even while wearing gloves or mittens in cold weather.\u003c\/p\u003e\n\u003cp\u003eThe focuser drawtube has a scale marked in centimeters and 1mm increments. This lets you note individual focuser positions for easy return to the correct focus when switching between visual use and photography. Lock knobs let you adjust the tension on the drawtube to accommodate varying eyepiece\/photo accessory loads, as well as firmly lock in a photographic focus. The focuser terminates in a non-marring 2\" compression ring accessory holder. Two 2\" draw tube extensions are included to let adjust the back focus when using a diagonal and eyepieces versus a camera.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMounting rings and dovetail:\u003c\/strong\u003e The ES127 has dual split mounting rings with a dovetail plate that fits the Vixen-style dovetail slot on the head of many of the most popular medium capacity German equatorial mounts. Such mounts include Celestron and iOptron go-to mounts, among others. A spacer\/stabilizing bar on the top of the rings provides a carrying handle that makes it easy to transport the optical tube and install it on your equatorial mount. There is a mounting shoe for an optional finderscope installed on the body of the scope.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExtended lifetime warranty:\u003c\/strong\u003e This individually serial numbered Explore Scientific telescope is backed by a limited one year warranty, which will be extended to an Explore Scientific transferable Life of The Product limited warranty when its warranty card is registered with Explore Scientific within 60 days of purchase. Full details on this unique transferable lifetime warranty.\u003c\/p\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBinary and Star Cluster Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eVery Good\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e952mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/7.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGalaxy and Nebula Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e271x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLunar Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGreat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e22 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlanetary Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eVery Good\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e0.91 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1 year, extendable to lifetime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDual tube rings with Vixen-style dovetail\u003c\/li\u003e\n\u003cli\u003e2\" dual speed rack and pinion focuser\u003c\/li\u003e\n\u003cli\u003eRetractable dew shield\u003c\/li\u003e\n\u003cli\u003eDust covers\u003c\/li\u003e\n\u003cli\u003eFinderscope base\u003c\/li\u003e\n\u003cli\u003e2\" 99% reflective dielectric star diagonal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":40221667950665,"sku":"ES127B","price":1499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/17670.jpg?v=1722357305"},{"product_id":"celestron-powerseeker-50-2-altazimuth-refractor","title":"Celestron PowerSeeker 50, 2\" Altazimuth Refractor  21039","description":"\u003cp\u003eThe PowerSeeker 50A altazimuth refractor is a \u003cem\u003every, very \u003c\/em\u003eeconomical introduction to casual astronomy and nature study for the beginning astronomer, but one that can supply good images of nature, the Moon, the planets, and some of the brighter deep space objects.\u003c\/p\u003e\n\u003cp\u003eWe can't claim that the 50mm altazimuth PowerSeeker 50A is a serious telescope for the serious amateur, but it is an exceptionally inexpensive starter scope for the young budding astronomer or naturalist. Its refractor optics and simplified mount make it an easy-to-use instrument for a youngster to begin his or her explorations of the Moon and planets in the night sky and the nature that surrounds us here on Earth.\u003c\/p\u003e\n\u003cp\u003eThe PowerSeeker 50A has all-glass optical components, with high transmission coatings for enhanced image brightness and clarity. Unlike a reflector-type scope, which needs occasional recollimation (aligning) of the optics to perform well, the PowerSeeker 50A's refractor optics are permanently aligned for the sharpest images.\u003c\/p\u003e\n\u003cp\u003eThe mount is a simple altazimuth that you push by hand to move up and down, right and left, to find and track objects across the sky and daytime landscape. It has no slow motion controls, but is totally manual in operation. Once you have scanned your way across the face of the Moon, and marveled at Saturn's rings and Jupiter's four Galilean moons, you can use the PowerSeeker 50A to look at things closer to home. The altazimuth mount will let you easily track objects on the ground and allow you to get a closer look at nature and your surroundings.\u003c\/p\u003e\n\u003cp\u003eThe PowerSeeker 50 has a light grasp 51 times that of the sharpest eye. Combine that light grasp with its three eyepieces (20, 12, and 4mm) and 3x Barlow lens, and you have the ability to see many, many celestial that are simply invisible to the unaided eye. The supplied 1.5x image erecting eyepiece gives you terrestrial images with all three eyepieces that are upright and right-reading (printing can be read normally and is not reversed as it is during astronomical observing). The PowerSeeker 50A is well equipped to open up a whole new world to the beginning astronomer, at a price that is well within reach and reason.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Optical System . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRefractor optical tube:\u003c\/strong\u003e 50mm (2\") aperture air-spaced two-element crown and flint glass achromatic lens. 600mm focal length f\/12 all-glass optics. No plastic lenses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCoated optics:\u003c\/strong\u003e The objective lens has antireflection coatings on all surfaces for high light transmission and good contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDew shield:\u003c\/strong\u003e A dew shield (an extension of the optical tube that's threaded onto the front of the objective lens) slows the formation of dew on the lens in cold weather. This extends your undisturbed observing time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRack and pinion focuser:\u003c\/strong\u003e The 0.965\" focuser has dual focusing knobs for precise image control with either hand. The large focus knobs are easy to operate, even while wearing gloves or mittens in cold weather.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStar diagonal:\u003c\/strong\u003e The 90° viewing angle 0.965\" star diagonal (eyepiece holder) allows comfortable viewing when looking overhead at the sky. It provides erect mirror image views (objects are reversed left for right). This is not a problem when observing the stars and planets, but may be disconcerting during terrestrial observing, as printing (license plates, the names on boats, etc.) will be backwards. That is why the 1.5x image erecting eyepiece discussed below is also supplied to give you correctly oriented images and more comfortable extended terrestrial observing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThree eyepieces:\u003c\/strong\u003e You get a high power .965\" 4mm (150x) eyepiece, a medium power 0.965\" 12mm (50x), and a low power 0.965\" 20mm (30x) with a 1.37° field of view (almost three times the diameter of the full Moon). All eyepieces have antireflection coatings on their lens surfaces for sharp images and good contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBarlow lens:\u003c\/strong\u003e A 0.965\" 3x Barlow lens is included that triples the magnification of the supplied eyepieces to 90x, 150x, and 450x. The 450x magnification of the 4mm eyepiece\/Barlow combination is realistically far beyond the scope's usable magnification capability, however. Do not count on using that optical combination very often, if at all.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImage-erecting eyepiece:\u003c\/strong\u003e You get a 1.5x 0.965\" image-erecting eyepiece adapter for terrestrial observing. This auxiliary lens fits between the telescope and the 20mm eyepiece for straight-through viewing at 45x. It can also be used with the 12mm eyepiece to give you 75x. Images are upright and correctly oriented (printing reads correctly).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinderscope:\u003c\/strong\u003e A low power 5x24mm finderscope attaches to the side of the optical tube. The straight-through viewing refractor finderscope provides a traditional inverted mirror-image astronomical view. If properly collimated (aligned) with the view through the main telescope, its crosshairs will help you center distant objects in the telescope so you don't have to search for them using the narrow eyepiece field of view.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Mount . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAltazimuth mount:\u003c\/strong\u003e The altazimuth mount provides right\/left and up\/down motions. You simply push the telescope tube to the objects you want to see, using the finderscope to help you locate them. This is suitable for casual astronomical observing, and will let you easily follow objects on the ground to allow you to get a closer look at nature and your surroundings. Knobs at the base of the mount allows you to lock the tube in place or to adjust the drag on the scope to control how smoothly the mount moves as you manually push the tube to follow objects moving through the sky or on the land.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTripod:\u003c\/strong\u003e The lightweight aluminum tripod easily adjusts for standing or seated observations through the telescope. The tripod includes an accessory shelf that holds your eyepieces and Barlow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo year warranty:\u003c\/strong\u003e As an expression of Celestron's confidence in the quality of their products, the PowerSeeker is protected by Celestron's two-year limited warranty against flaws in materials and workmanship.\u003c\/p\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable class=\"table\" id=\"product-attribute-specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBinary and Star Cluster Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e600mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGalaxy and Nebula Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e150x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLunar Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e6 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlanetary Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e3.32 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplied Eyepiece\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e20mm, 12mm, 4mm, 3x barlow 1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eView Finder\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5x24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e50mm aperture achromatic refractor optical tube with fully coated optics and 0.965\" rack and pinion focuser\u003c\/li\u003e\n\u003cli\u003eAltazimuth mount with locks on both axes\u003c\/li\u003e\n\u003cli\u003e4mm (150X), 12mm (50x) and 20mm (30X) 0.965\" eyepieces\u003c\/li\u003e\n\u003cli\u003e90° 0.965\" star diagonal\u003c\/li\u003e\n\u003cli\u003e3x 0.965\" Barlow lens\u003c\/li\u003e\n\u003cli\u003e1.5x 0.965\" image-erecting auxiliary eyepiece\u003c\/li\u003e\n\u003cli\u003e5 x 24mm straight-through finderscope\u003c\/li\u003e\n\u003cli\u003eOperating instructions\u003c\/li\u003e\n\u003cli\u003eTheSky Level X CD-ROM software\u003c\/li\u003e\n\u003cli\u003eAdjustable height aluminum tripod with accessory tray.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":40221669654601,"sku":"PS50A","price":64.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/18614.jpg?v=1662967889"},{"product_id":"celestron-80lcm-80mm-f-11-achromatic-go-to-altazimuth-refractor","title":"Celestron 80 LCM 80mm f\/11 Achromatic Go-To Altazimuth Refractor","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eThis Product Has Been Discontinued And This Is Here for Informational Purposes Only. It Is No Longer For  Sale.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe Celestron 80LCM is a substantial, yet very affordable and very portable, 80mm refractor on a battery-operated computerized go-to mount that will get you and the whole family up close and personal with the sky by night and nature by day . . .\u003c\/p\u003e\n\u003cdiv class=\"heading\"\u003e\u003cstrong\u003eThis Celestron 80LCM telescope has:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e• 80mm f\/11.25 fully-coated achromatic refractor optics \u003cbr\u003e• computerized go-to altazimuth mount \u003cbr\u003e• pre-assembled aluminum tripod\u003cbr\u003e• StarPointer red dot finder \u003cbr\u003e• 25mm (36x) and 9mm (100x) 1.25\" eyepieces \u003cbr\u003e• 1.25\" 90° star diagonal \u003cbr\u003e• 2-year warranty\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eYou don't have to know anything about right ascension and declination or how to find the north celestial pole or how to read a star chart to find your way around the sky with the Celestron 80LCM 80mm go-to refractor. Its easy SkyAlign alignment technology and StarPointer red dot LED finder make lining up on the sky a breeze. Once aligned, the scope's NexStar-technology computer hand control will find more than 4,000 celestial objects for you and will track them unerringly while you observe at your leisure. With its pre-assembled adjustable height aluminum tripod and easy no-tool assembly, the Celestron 80LCM can be up and ready to take you on a tour of the Universe in a matter of minutes.\u003c\/p\u003e\n\u003cp\u003eThe Celestron 80LCM is a good choice for a beginning astronomer who wants to do some more-than-casual looking at the heavens, but at a surprisingly inexpensive price. This Celestron 80LCM has 80mm achromatic refractor optics with 77% more light gathering capacity than a 60mm scope. That means visibly brighter deep space images and the ability to see many more faint objects than a 60mm scope could ever hope to show. It has a third higher resolution than a 60mm scope as well, to let you see more sharper and detailed views of the Moon, planets, binary stars, and star clusters.\u003c\/p\u003e\n\u003cp\u003eThe Celestron 80LCM has all the features and optical performance needed to keep a casual backyard astronomer happily observing for years to come. And it can be used for terrestrial observing, too - birdwatching, scanning the scenery from the home with a view, and more.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Optical System . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAchromatic refractor optical system:\u003c\/strong\u003e 80mm aperture (900mm focal length f\/11.25) aluminum tube. The tube is connected to the mount by a no-tool quick release dovetail for fast assembly. Fully coated optics for high light transmission and good contrast. A good-sized lens shade is provided to shield the lens from ambient light for improved contrast and retard the formation of dew for maximum uninterrupted observing time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinder:\u003c\/strong\u003e StarPointer non-magnifying variable brightness illuminated red dot finder on a quick-release dovetail mounting bracket. The StarPointer is a quick and easy way to point your telescope exactly to the desired object in the sky. There's no need to worry about the inverted images you see through traditional finders. Just align the red dot seen in the StarPointer with the desired star in the sky and you're done.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFocuser:\u003c\/strong\u003e 1.25\" rack and pinion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStar diagonal:\u003c\/strong\u003e 1.25\" 90° erect image prism that shows you celestial and terrestrial sights oriented the same way you see them with your bare eye. There's no confusing image reversal or inversion as you get with many other astronomical telescopes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo 1.25\" eyepieces:\u003c\/strong\u003e The first is a 25mm providing a magnification of 36x. The eyepiece field of view is 1.1° across, more than twice as wide as the diameter of the full Moon for expansive views of globular star clusters and terrestrial observing. The second is a 9mm (100x) with a 0.44° field for more close-up views of the Moon, planets, and globular star clusters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Mount . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFork mount\/drive system:\u003c\/strong\u003e Single fork arm altazimuth design with pre-installed enclosed dual DC servo motor drives. A compartment in the drive base accepts eight user-supplied AA batteries for powering the telescope. An optional AC adapter and rechargeable battery pack are available to conserve battery life. For more details, click on the \"mount\" icon above.Usable day or night, this LCM scope can be used to observe wildlife and sights on the ground during the day, as well as the Moon, planets, star clusters and more in the sky at night. Light enough for a youngster to take out on their own, this is a scope that will get more family use than you might expect.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLCM computer control:\u003c\/strong\u003e The supplied NexStar-technology computer hand control has an illuminated numeric keypad and a two-line 16-character LCD display. It has a database of 4,033 stars and objects it can find and track for you, including the complete Messier and Caldwell catalogs of famous deep space objects; a selection of the brightest and best deep space objects from the Revised New General Catalog (NGC); selected SAO stars, including the best variable stars and multiple star systems; the planets; the Moon; the Sun; and more.\u003c\/p\u003e\n\u003cp\u003eWhen you are ready to observe, simply input the date, time, and your location into the LCM computer hand control and use the StarPointer red dot finder to point the telescope at any three bright stars, or to two stars and a bright planet or the Moon. The LCM computer system will automatically align itself on the sky. Then, a few keystrokes on the LCM hand control and the computer automatically will slew your scope to any of the 4,033 objects in its memory you choose and track it so you can observe at your leisure. You can find hundreds of fascinating deep space objects your first night out, even if you have never used a telescope before. No matter what level of experience you start from, your LCM scope will unfold all the wonders of the Universe for you, your family, and your friends. For more details, click on the \"computer\" link in the support tab above.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdjustable height tripod:\u003c\/strong\u003e The preassembled tripod has aluminum legs to damp vibrations quickly. The center leg brace holds a convenient no-tool quick-release accessory tray to keep your eyepieces and accessories up and out of the dew-soaked grass. The tripod has maximum height of only 44\", however, so be aware that most of your observing will have to be done from a seated position.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo-year warranty:\u003c\/strong\u003e All Celestron telescopes have a two-year warranty.\u003c\/p\u003e\n\u003ch2\u003eTech Details: \u003cbr\u003e\n\u003c\/h2\u003e\n\u003ctable class=\"table\" id=\"product-attribute-specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e3.1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e900mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/11.25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e180x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotorized Controls\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eComputer Go-To\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e14 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.45 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplied Eyepiece\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e25mm and 9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eView Finder\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eStarPointer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e80mm fully coated refractor optics\u003c\/li\u003e\n\u003cli\u003eGo-to computerized altazimuth mount with dual-axis DC servo motor drives\u003c\/li\u003e\n\u003cli\u003ePre-assembled adjustable height aluminum tripod\u003c\/li\u003e\n\u003cli\u003eAccessory tray\u003c\/li\u003e\n\u003cli\u003eHand control with 4,000+ star and object database for go-to operation\u003c\/li\u003e\n\u003cli\u003eInternal AA battery compartment (batteries not supplied)\u003c\/li\u003e\n\u003cli\u003eBattery-powered variable brightness StarPointer red LED non-magnifying finder (battery supplied)\u003c\/li\u003e\n\u003cli\u003e1.25\" rack and pinion focuser\u003c\/li\u003e\n\u003cli\u003e1.25\" prism-type star diagonal\u003c\/li\u003e\n\u003cli\u003e1.25\" 25mm eyepiece (36x)\u003c\/li\u003e\n\u003cli\u003e1.25\" 9mm eyepiece (100x)\u003c\/li\u003e\n\u003cli\u003eTheSky X - First Light Edition CD-ROM star-charting software for PC or Mac\u003c\/li\u003e\n\u003cli\u003eDust covers.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":40221669720137,"sku":"LCM80","price":419.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/18621.jpg?v=1662967891"},{"product_id":"celestron-travel-scope-50-50mm-backpack-refractor-and-tripod","title":"Celestron Travel Scope 50 50mm Backpack Refractor Telescope and Tripod  21038","description":"\u003cp\u003eThe Celestron Travel Scope 50 is a small, but very flexible and \u003cem\u003every \u003c\/em\u003eaffordable 50mm refractor and altazimuth mount in a backpack for traveling and backyard use that you can take anywhere and use any time.\u003c\/p\u003e\n\u003cp\u003eThe Celestron 50mm Travel Scope is an inexpensive little refractor for which you will probably find multiple uses: spur-of-the-moment backyard observing; a toss-in-the-trunk-of-the-car take-along for vacations and day trips; a great scope to start the kids on astronomy; a neat little scope for backyard birding and nature studies; a scope to sit on the porch of the home with a view to while away the evenings; and more. Its tripod even makes a nifty light-weight photo tripod for your camera.\u003c\/p\u003e\n\u003cp\u003eYou get an awful lot for not a lot of money with the compact Celestron 50mm Travel Scope: fully-coated achromatic optics, two eyepieces, finderscope, erect image diagonal, adjustable height tripod\/altazimuth mount, backpack carrying\/storage case, and TheSky X- First Light Edition planetarium\/star charting software on CD-ROM. And it weighs only 2.2 pounds, so it's easy to take with you anywhere you go.\u003c\/p\u003e\n\u003cp\u003eThe erect image diagonal gives you eyepiece views that are oriented the same as they are to your bare eye. This lets you easily follow moving wildlife and vehicles without the annoying image reversal you find with a conventional diagonal. Plus, printing (the name and home port on a distant boat, for example) is completely readable, instead of being backwards. Close focus is a mere 15', letting you get up close and personal with the nature in your own back yard.\u003c\/p\u003e\n\u003cp\u003eWhile not a powerhouse of an astronomical scope, the Celestron Travel Scope 50 might surprise you with its capabilities outside our atmosphere.\u003c\/p\u003e\n\u003cp\u003eYou will find a lot of uses for the respectable optics of the Celestron 50mm Travel Scope, and a lot of times and places to use them, day or night. For the price, it's hard to beat this nifty little refractor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Optical System . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAchromatic refractor:\u003c\/strong\u003e 50mm aperture, 360mm focal length, f\/7.2. All-glass crown and flint doublet refractor with built-in lens shade to improve contrast. Fully antireflection coated on all air-to-glass surfaces for good light transmission and contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinderscope:\u003c\/strong\u003e 2x20mm straight-through refractor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFocuser:\u003c\/strong\u003e 0.965\" rack and pinion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStar diagonal:\u003c\/strong\u003e 0.965\" to 1.25\" 45° erect image\/right reading prism type.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo 1.25\" eyepieces:\u003c\/strong\u003e The first is a 20mm providing 18x. The eyepiece field of view is 1.77° across, more than three times the diameter of the full Moon for expansive views of the Moon, the brighter large-scale deep space objects, and terrestrial observing. The second is an 8mm providing 45x for close-up views of the Moon, nature, and more. Additional optional 1.25\" eyepieces can expand the magnification range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Mount . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAltazimuth mount:\u003c\/strong\u003e The Travel Scope 50 comes with a preassembled adjustable height photo tripod that serves as an altazimuth mount for astronomical and terrestrial observing. A no-tool mounting foot on the optical tube connects the 12\" long scope to the tripod by means of a single hand-tighten 1\/4\"-20 thread bolt for fast set-up and take-down. The four-section legs and rising center post let you adjust the tripod height from about 16\" to 49\". A lock knob adjusts the friction and smoothness of travel in azimuth (side to side) while the twist-to-lock pan handle does the same for motion in altitude (up and down). The pan handle lets you manually aim the scope and track moving objects with precision.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCarry case:\u003c\/strong\u003e The scope comes with a soft backpack-type carrying\/storage case that holds scope, tripod, and eyepieces, inviting you to toss the Travel Scope 50 in the trunk of your car to take it with you wherever and whenever you go.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo-year warranty:\u003c\/strong\u003e All Celestron telescopes have a two-year warranty, double that of competitive scopes.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/JLd2ytP78DI\" frameborder=\"0\" allow=\"autoplay; encrypted-media\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eTech Details:\u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ctable class=\"table\" id=\"product-attribute-specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBinary and Star Cluster Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e360mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/7.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGalaxy and Nebula Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLunar Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2.2 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlanetary Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2.32 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e11.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e50mm fully coated achromatic refractor optics\u003c\/li\u003e\n\u003cli\u003ePre-assembled adjustable height tripod\u003c\/li\u003e\n\u003cli\u003e2 x 20mm finderscope\u003c\/li\u003e\n\u003cli\u003e0.965\" rack and pinion focuser\u003c\/li\u003e\n\u003cli\u003e0.965\" to 1.25\" 45° viewing image-erecting prism-type star diagonal\u003c\/li\u003e\n\u003cli\u003e1.25\" 20mm eyepiece (18x)\u003c\/li\u003e\n\u003cli\u003e1.25\" 8mm eyepiece (45x)\u003c\/li\u003e\n\u003cli\u003eTheSky X CD-ROM star-charting software\u003c\/li\u003e\n\u003cli\u003eBackpack carrying case\u003c\/li\u003e\n\u003cli\u003eDust covers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":40221670015049,"sku":"CTS50","price":79.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/18625.jpg?v=1662967897"},{"product_id":"celestron-travel-scope-70-70mm-backpack-refractor-and-tripod","title":"Celestron Travel Scope 70 70mm Backpack Refractor Telescope and Tripod  21035","description":"\u003cp\u003eWhether for backyard or vacation, the Celestron Travel Scope 70 puts multi-use and \u003cem\u003every \u003c\/em\u003eaffordable 70mm backpack refractor optics on an altazimuth mount that you'll find yourself using a lot more than you expect.\u003c\/p\u003e\n\u003cp\u003eThe Celestron 70mm Travel Scope is a very inexpensive little refractor of many uses: a great scope to start the kids on astronomy; your own spur-of-the-moment backyard scope for astronomy, birding, and nature studies; a scope to sit on the porch of the home with a view to while away the lazy summer afternoons and evenings; a toss-in-the-trunk-of-the-car take-along for vacations and day trips; and more. Its tripod can serve double duty as a nifty light-weight photo tripod for your camera.\u003c\/p\u003e\n\u003cp\u003eYou get an lot of features and performance for not a lot of money with the compact Celestron 70mm Travel Scope: fully-coated achromatic optics, two 1.25\" eyepieces, finderscope, erect image diagonal, adjustable height tripod\/altazimuth mount, backpack carrying\/storage case, and TheSky X- First Light Edition planetarium\/star charting software on CD-ROM. And it weighs only 3.3 pounds, so it's easy to take with you anywhere you go.\u003c\/p\u003e\n\u003cp\u003eThe erect image diagonal gives you eyepiece views that are oriented the same as they are to your bare eye. This lets you easily follow moving wildlife and vehicles without the annoying image reversal you find with a conventional diagonal. Plus, printing (the name and home port on a distant boat, for example) is completely readable, instead of being backwards. Close focus is only 19', letting you get up close and personal with the nature in your own back yard. \u003cbr\u003eWhile not a powerhouse of an astronomical scope, the Celestron Travel Scope 70 might surprise you with its capabilities outside our atmosphere.\u003c\/p\u003e\n\u003cp\u003eYou will find a lot of uses for the respectable optics of the Celestron 70mm Travel Scope, and a lot of times and places to use them, day or night. For the price, it's hard to beat this nifty little refractor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Optical System . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAchromatic refractor:\u003c\/strong\u003e 70mm aperture, 400mm focal length, f\/5.7. All-glass crown and flint doublet refractor with built-in lens shade to improve contrast. Fully antireflection coated on all air-to-glass surfaces for good light transmission and contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinderscope:\u003c\/strong\u003e 5 x 24mm straight-through refractor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFocuser:\u003c\/strong\u003e 1.25\" rack and pinion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStar diagonal:\u003c\/strong\u003e 1.25\" 45° erect image\/right reading prism type.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo 1.25\" eyepieces:\u003c\/strong\u003e The first is a 20mm providing 20x. The eyepiece field of view is 2.5° across, five times the diameter of the full Moon for expansive views of the Moon, the brighter large-scale deep space objects like open star clusters and nebulas, and terrestrial observing. The second is a 10mm providing 40x with a 1.3° field for more close-up views of the Moon, nature, and more. Optional 1.25\" eyepiece can expand the magnification range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Mount . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAltazimuth mount:\u003c\/strong\u003e The Travel Scope 70 comes with a preassembled adjustable height photo tripod that serves as an altazimuth mount for astronomical and terrestrial observing. A no-tool mounting foot on the optical tube connects the 17\" long scope to the tripod by means of a single hand-tighten 1\/4\"-20 thread bolt for fast set-up and take-down. The four-section legs and rising center post let you adjust the tripod height from about 16\" to 49\". A lock knob adjusts the friction and smoothness of travel in azimuth (side to side) while the twist-to-lock pan handle does the same for motion in altitude (up and down). The pan handle lets you manually aim the scope and track moving objects with precision.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCarry case:\u003c\/strong\u003e The scope comes with a soft backpack-type carrying\/storage case that holds scope, tripod, and eyepieces, inviting you to toss the Travel Scope 70 in the trunk of your car to take it with you wherever and whenever you go.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo-year warranty:\u003c\/strong\u003e All Celestron telescopes have a two-year warranty, double that of competitive scopes.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/JLd2ytP78DI\" height=\"315\" width=\"560\" allowfullscreen=\"\" allow=\"autoplay; encrypted-media\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ctable class=\"table\" id=\"product-attribute-specs-table\" data-mce-fragment=\"1\"\u003e\n\u003ctbody data-mce-fragment=\"1\"\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003cth data-mce-fragment=\"1\"\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\" data-mce-fragment=\"1\"\u003e2.75\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003cth data-mce-fragment=\"1\"\u003eBinary and Star Cluster Observation\u003c\/th\u003e\n\u003ctd class=\"data\" data-mce-fragment=\"1\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003cth data-mce-fragment=\"1\"\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\" data-mce-fragment=\"1\"\u003e400mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003cth data-mce-fragment=\"1\"\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\" data-mce-fragment=\"1\"\u003ef\/5.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003cth data-mce-fragment=\"1\"\u003eGalaxy and Nebula Observation\u003c\/th\u003e\n\u003ctd class=\"data\" data-mce-fragment=\"1\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003cth data-mce-fragment=\"1\"\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\" data-mce-fragment=\"1\"\u003e133x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003cth data-mce-fragment=\"1\"\u003eLunar Observation\u003c\/th\u003e\n\u003ctd class=\"data\" data-mce-fragment=\"1\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003cth data-mce-fragment=\"1\"\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\" data-mce-fragment=\"1\"\u003e3.3 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003cth data-mce-fragment=\"1\"\u003ePlanetary Observation\u003c\/th\u003e\n\u003ctd class=\"data\" data-mce-fragment=\"1\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003cth data-mce-fragment=\"1\"\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\" data-mce-fragment=\"1\"\u003e1.65 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003cth data-mce-fragment=\"1\"\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\" data-mce-fragment=\"1\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003cth data-mce-fragment=\"1\"\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\" data-mce-fragment=\"1\"\u003e11.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003cth data-mce-fragment=\"1\"\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\" data-mce-fragment=\"1\"\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e70mm fully coated achromatic refractor optics\u003c\/li\u003e\n\u003cli\u003ePre-assembled adjustable height tripod\u003c\/li\u003e\n\u003cli\u003e5 x 24mm finderscope\u003c\/li\u003e\n\u003cli\u003e1.25\" rack and pinion focuser\u003c\/li\u003e\n\u003cli\u003e1.25\" 45° viewing image-erecting prism-type star diagonal\u003c\/li\u003e\n\u003cli\u003e1.25\" 20mm eyepiece (20x)\u003c\/li\u003e\n\u003cli\u003e1.25\" 10mm eyepiece (40x)\u003c\/li\u003e\n\u003cli\u003eTheSky X CD-ROM star-charting software\u003c\/li\u003e\n\u003cli\u003eBackpack carrying case\u003c\/li\u003e\n\u003cli\u003eDust covers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":40221670113353,"sku":"CTS70","price":119.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/18634.jpg?v=1662967901"},{"product_id":"takahashi-tsa-120-4-7-f-7-5-ortho-apochromat-triplet-refractor-ota","title":"Takahashi TSA-120 4.7\" F\/7.5 Ortho-Apochromat Triplet Refractor OTA","description":"\u003cp\u003eThis Takahashi TSA-120 4.72\" ED triplet refractor puts true-color \"super apochromat\" optical excellence in a portable 15.4 lb. package.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Takahashi refractor optical tube has: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e • 120mm (4.72\") f\/7.5 Ortho-Apochromat ED triplet optics \u003cbr\u003e• 2.7\" rack and pinion focuser with 1.25\" eyepiece adapter \u003cbr\u003e• retractable dew shield \u003cbr\u003e• 227.5mm of back focus for CCD and film imaging \u003cbr\u003e• state-of-the-art optical performance, exceeding even fluorite scopes\u003cbr\u003e• 5-year warranty \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e    The Takahashi TSA-120 refractor provides exceptionally high optical and mechanical quality for the serious visual observer and astrophotographer who needs portable optics. The TSA-120 is exceptional for observing and imaging within the solar system. Its images of subtle lunar and planetary details are sharp, with realistic and highly saturated color. They are free from chromatic aberration's violet haze of spurious color, thanks to the scope's ED triplet optics. The latest broadband antireflection multicoatings and numerous knife-edge internal baffles assure the maximum image contrast possible.\u003c\/p\u003e\n\u003cp\u003e This 4.72\" Takahashi has excellent light transmission and diffraction-free true color images that make it superb for deep space observing and imaging, as well. Binary stars and globular star clusters are particularly well-resolved and vivid, with the contrasting colors of many binary systems showing nicely. The brighter nebulas and galaxies stand out against a very dark sky background. \u003cbr\u003eThe f\/7.5 focal ratio and 900mm focal length of the TSA-120 are long enough, using a Takahashi 2.8mm ED eyepiece to provide 321x, for high magnification observations of the Moon and planets, yet it will also produce a huge 2.72° field at 18x, using a 2\" Takahashi 50mm eyepiece.\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Optical and Mechanical Systems . . . \u003c\/strong\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApochromatic triplet ED refractor optics: \u003c\/strong\u003e4.72\" (120mm) aperture, 900mm focal length, f\/7.5 Ortho-Apochromatic triplet lens using an FPL-53 ED (Extra-low Dispersion) glass element between two crown glass elements for images that are free from spurious color (chromatic aberration). \u003cspan style=\"font-family: verdana;\"\u003eFor more details, click on the \"Takahashi triplet lens\" icon above.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulticoated optics: \u003c\/strong\u003eFully coated on all surfaces with multiple layers of broadband antireflection materials for high light transmission and good contrast.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetractable dew shield: \u003c\/strong\u003eSlows the formation of dew on the lens to extend your undisturbed observing time. Also improves visual and photographic contrast by shielding the lens from off-axis ambient light (the neighbor's yard light, moonlight, etc.) For transport, the retractable lens shade keeps the overall length of the optical tube to a very manageable 28\" when it is retracted and the visual extension tube removed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRack and pinion focuser: \u003c\/strong\u003e2.7\" focuser, with a 2\" eyepiece\/accessory holder that threads into the 2.7\" focuser drawtube. A 1.25\" compression ring eyepiece\/star diagonal holder is also supplied. The non-marring soft nylon compression ring of the 1.25\" eyepiece holder won't scratch the barrels of your accessories or star diagonal, as ordinary thumbscrews can. Dual focusing knobs provide precise image control with either hand. The large focus knobs are easy to operate, even while wearing gloves or mittens in cold weather. A large thumbscrew locks the focuser tube in place without image shift for photography. \u003cbr\u003eA useful photographic accessory would be the Takahashi #CAA102 camera angle adjuster, shown below. This attaches to the 2.7\" focuser drawtube in place of the 2\" eyepiece holder. It allows the photographic accessory train to be rotated to the most appropriate angle to frame the object being photographed (a landscape format, portrait, or any angle in between) without having to loosen the camera adapter and perhaps lose the correct focus. Once the camera is oriented correctly, a large knob on the side of the adjuster can be tightened to hold the camera in place during the exposure. It is also very handy for visual applications to position the star diagonal or binoviewer at the most comfortable viewing angle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinderscope mounting point: \u003c\/strong\u003eNo finderscope is supplied when this optical tube is bought alone. A flat boss with two mounting bolt holes is provided on the top of the focuser body for mounting an optional Takahashi 7x50mm 6.2° field finder and bracket finderscope.\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong back focus: \u003c\/strong\u003eBack focus is a very good 227.5mm, allowing the stacking of a wide variety of CCD cameras, color filter wheels, electric focusers, camera angle adjusters, and film cameras.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional photographic accessories: \u003c\/strong\u003eTwo accessories are available to provide a variety of image scales and sky coverage: a field flattener and a focal reducer. The field flattener (#TOA130FF) reduces the focal ratio slightly (to f\/7.3), but gives pinpoint stars to the very edges of a 40mm (2.6°) image circle for virtually unvignetted 35mm\/DSLR\/large format CCD images. \u003cbr\u003eThe focal reducer (#TOA130R) effectively cuts the focal length to 672mm and the focal ratio to f\/5.6. The photographic field is now 3.4°, spread over a 40mm image circle for virtually unvignetted 35mm\/DSLR\/large format CCD images. A variety of photographic coupling attachments and eyepiece projection photography adapters are also available.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting rings: \u003c\/strong\u003eNo mounting rings are supplied for the 125mm diameter 15.4 pound optical tube. Several options are available. One is the Takahashi clamshell-type tube holder (#120TH) shown below that is designed specifically for mounting the TSA-120 on a Takahashi EM-11 or larger equatorial mount. The second option is the Takahashi double ring tube holder with bridge (#120DTH) shown below. It can be mounted on a non-Takahashi mount, such as a Celestron CGEM or CGE Pro or Losmandy GM-8 or G-11, by using an optional dovetail plate. This double ring tube holder can also be used to mount the TSA-120 on a Takahashi EM-11 or larger equatorial mount by adding optional Takahashi #TMP106 double ring tube holder mounting plate. A third option is a pair of Parallax split mounting rings (#PFS106), also shown below, for mounting on a non-Takahashi mount, using an optional dovetail plate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003eThe image above shows the scope with a 7 x 50mm finderscope, mounting bracket, and eyepiece. These accessories are not provided as standard equipment with the optical tube, but are available as optional accessories.\u003c\/p\u003e\n\u003ch2\u003eTech Details:\u003c\/h2\u003e\n\u003ctable class=\"table\" id=\"product-attribute-specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e4.72\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBinary and Star Cluster Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eVery Good\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e900mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/7.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGalaxy and Nebula Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e250x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLunar Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGreat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e15.4 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlanetary Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eVery Good\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e0.97 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e12.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Takahashi","offers":[{"title":"Default Title","offer_id":40221670899785,"sku":"TSA120","price":4450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/18882.jpg?v=1662967927"},{"product_id":"explore-scientific-ar102-4-f-6-5-achromatic-doublet-refractor-optical-tube","title":"Explore Scientific AR102 4\" f\/6.5 Achromatic Doublet Refractor Optical Tube","description":"\u003cdiv class=\"heading\"\u003e\u003cstrong\u003eThis Explore Scientific 4\" refractor has:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\n\u003cul\u003e\n\u003cli\u003eBig 4\" aperture fully multicoated achromatic doublet refractor optics\u003c\/li\u003e\n\u003cli\u003eCollimatable objective lens cell for fine-tuning the images\u003c\/li\u003e\n\u003cli\u003eBig 8 x 50mm finderscope\u003c\/li\u003e\n\u003cli\u003e2\" dielectric star diagonal with 1.25\" eyepiece adapter\u003c\/li\u003e\n\u003cli\u003eTube rings with carry handle and Vixen-style dovetail plate\u003c\/li\u003e\n\u003cli\u003eLifetime transferrable warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThis highly portable 4\" achromatic refractor optical tube (only 25.5\" long, with a weight of 11.3 pounds) is a sensational value! It has a 102mm (4\") diameter multicoated doublet objective lens (663mm focal length f\/6.5). Its diffraction limited optics are sharp and well suited to serious deep space observing of binary stars, star clusters, and the brighter nebulas and galaxies, in addition to excellent high contrast planetary and lunar images. The objective lens cell is fully collimatable, using push\/pull collimation screws, so you can optimize your image quality.\u003c\/p\u003e\n\u003cp\u003eThe 4\" Explore Scientific is a great grab-and-go scope for quick looks at the sky when mounted on a suitable altazimuth mount. It's good enough optically to be the heart of a reasonably-priced serious observing system when mounted on one of the many equatorial mounts and go-to altazimuth mounts from Celestron, iOptron, and others.\u003c\/p\u003e\n\u003cp\u003eSome chromatic aberration is visible on stars and objects of 2nd or 3rd magnitude and brighter, as you would expect in an achromatic refractor with such a fast focal ratio. However, the spurious color is well controlled and not unreasonable, thanks to careful optical design, and has little effect on deep space observing. Most observers feel the relatively limited amount of chromatic aberration visible is a small price to pay for the scope's many other virtues of portability, sharpness, contrast, and optical clarity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDetails About This Optical Tube . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAchromatic refractor optics:\u003c\/strong\u003e 4\" (102mm) aperture, 663mm focal length, f\/6.5 air-spaced crown and flint glass doublet lens. Tube diameter is 3.96\" (100.7mm) and the tube length with dewshield installed is 25.5\" (648mm). Scope weight is 11.3 pounds (4.67 kg).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCollimatable lens cell:\u003c\/strong\u003e The 4\" Explore Scientific lens is precision collimated at the factory to give optimum performance. Although you may never need to adjust optical alignment, the ES102D allows for collimating the lens set should the telescope ever require it due to a fall or very rough handling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMulticoated optics:\u003c\/strong\u003e Fully coated on all surfaces with multiple layers of antireflection materials for high light transmission and good contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInternal light baffles:\u003c\/strong\u003e Multiple internal knife-edge baffles in the optical tube mask and deflect unwanted stray light for improved contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDew shield:\u003c\/strong\u003e The removable 190.5mm (7.5\") diameter dew shield slows the formation of dew on the lens in cold weather to extend your undisturbed observing time. Also improves visual and photographic contrast by shielding the lens from off-axis ambient light (the neighbor's yard light, moonlight, etc.)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDust covers:\u003c\/strong\u003e Front and rear dust covers are provided.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual-speed Crayford-style focuser:\u003c\/strong\u003e 2\" focuser, with adjustable tension and lock knobs. The 2\" eyepiece holder uses a non-marring brass compression ring to hold the supplied 2\" star diagonal in place without scratching the diagonal barrel. The precision-made 2\" focuser has dual-speed focusing. There are two coarse focusing knobs. The right knob also has a smaller concentric knob with 10:1 ratio reduction gear microfine focusing. This provides exceptionally precise image control during high power visual observing or critical DSLR or CCD imaging. The focus knobs have ribbed gripping surfaces so they are easy to operate, even while wearing gloves or mittens in cold weather.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDielectric star diagonal:\u003c\/strong\u003e 90° viewing angle first surface mirror 2\" star diagonal with 1.25\" eyepiece adapter. The diagonal uses durable 99% reflectivity for maximum light transmission and long life.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinderscope:\u003c\/strong\u003e 8 x 50mm straight-through achromatic design, in a dual-ring six-point adjustment bracket with a quick release mounting shoe. Focuses by loosening the trim ring behind the objective lens cell, screwing the lens cell in or out to focus, and tightening the trim ring to lock in the correct focus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDovetail and tube rings:\u003c\/strong\u003e The optical tube comes with two split and hinged tube rings for installing the optical tube on your mount. The rings are connected to a dovetail mounting plate that slips into the industry standard Vixen-style dovetail groove on altazimuth and equatorial mounts from Astro-Tech, Explore Scientific, Celestron, iOptron, and others. A carrying handle is conveniently fitted to the top of the tube rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExtended lifetime warranty:\u003c\/strong\u003e This individually serial numbered Explore Scientific telescope is backed by a limited one year warranty, which will be extended to an Explore Scientific transferable Life of the Product Limited Warranty when its warranty card is registered with Explore Scientific within 60 days of purchase.\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eTech Details:\u003c\/h2\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBinary and Star Cluster Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eVery Good\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e663mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/6.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGalaxy and Nebula Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eFair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeaviest Single Component\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e166x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLunar Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGreat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e11.3 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlanetary Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eVery Good\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.14 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e12.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eLimited Lifetime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":40481972518985,"sku":"ES102D","price":499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/19782.jpg?v=1675378869"},{"product_id":"celestron-astromaster-lt-70az-2-8-altazimuth-refractor","title":"Celestron Astromaster LT 70AZ 2.8\" Altazimuth Refractor Telescope","description":"\u003cp\u003eThe Celestron 70mm AstroMaster LT altazimuth refractor is a surprisingly good, but surprisingly inexpensive, scope for the beginning astronomer who also has an eye for nature. This well-built refractor optical system is a good way to begin your journey into the night sky, as well as exploring nature during the day. It provides you with detailed high-contrast views of the Moon and planets in the heavens, as well as sharp views of birds and animals across a lake or across the back yard.\u003c\/p\u003e\n\u003cp\u003eThe construction of the optical system is first rate, as the AstroMaster has all-glass optical components, with high transmission optical coatings on every air-to-glass surface for enhanced image brightness and clarity. The mount has a convenient pan handle, like the control handle on a camera tripod, for guiding the scope around the skies or the landscape. A built-in clutch makes operating the well-balanced scope with the pan handle smooth and easy. The scope assembles in only a minute or two, with no tools required.\u003c\/p\u003e\n\u003cp\u003eOnce you have scanned your way through the solar system and the brighter Milky Way objects, you can use the AstroMaster to look at things closer to home. The altazimuth mount will let you easily track objects on the ground and allow you to get a closer look at nature and your surroundings.\u003c\/p\u003e\n\u003cp\u003eThe AstroMaster 70 has a light grasp 100 times that of the sharpest eye for nighttime and twilight use. It can also resolve details ten times smaller than you can see clearly with your unaided eye. Combine that light grasp and sharpness with its two eyepieces (a 20mm for 35x magnification and a 10mm for 70x), and you have the ability to see many, many celestial and terrestrial objects that are simply invisible to the unaided eye. Some chromatic aberration (a faint halo of violet light around the Moon and planets when observing at night) is visible in the AstroMaster 70 LT, as it is in all achromatic refractor telescopes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Optical System . . . \u003c\/strong\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractor optical tube: \u003c\/strong\u003e70mm (2.8\") aperture. 700mm focal length f\/10 achromatic doublet lens with all-glass optics. No plastic lenses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoated optics: \u003c\/strong\u003eThe two-element crown and flint glass objective lens has a layer of antireflection coatings on all air-to-glass surfaces for high light transmission and good contrast.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDovetail mount: \u003c\/strong\u003eA quick-release dovetail bar on the 28\" long optical tube fits into a dovetail slot on the mount. The optical tube can be installed and locked firmly in place in seconds using a single no-tool knob on the mount.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDew shield: \u003c\/strong\u003eA dew shield (an extension of the optical tube that's threaded onto the front of the objective lens) slows the formation of dew on the lens in cold weather. This extends your undisturbed observing time. It also improves the contrast when observing objects on the ground during the day.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRack and pinion focuser: \u003c\/strong\u003eThe 1.25\" focuser has dual focusing knobs for precise image control with either hand. The good-sized focus knobs are easy to operate, even while wearing gloves or mittens in cold weather.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStar diagonal: \u003c\/strong\u003eThe 90° viewing angle 1.25\" star diagonal (eyepiece holder) allows comfortable viewing when looking overhead at the sky. It provides erect mirror image views (objects are reversed left for right). This is not a problem when observing the stars and planets, but may be disconcerting during terrestrial observing, as printing (license plates, the names on boats, etc.) will be backwards. For most nature studies this isn't a problem, though, because a duck still looks like a duck whether he's facing left or right. An optional #6329 45° viewing angle image-erecting diagonal is available if right-reading images are essential. It gives you correctly oriented images and a more comfortable extended terrestrial observing position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo eyepieces: \u003c\/strong\u003eYou get a high power 1.25\" 10mm (70x) eyepiece and a low power 1.25\" 20mm (35x) with a wide 1.7° field of view (over three times the diameter of the full Moon). Both eyepieces have antireflection coatings on their lens surfaces for sharp images and good contrast.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRed dot finder: \u003c\/strong\u003eA permanently mounted straight-through red dot illuminated finder allows easy non-magnified views of the sky and ground, with a red dot of light showing exactly where the scope is pointed at all times.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Mount . . . \u003c\/strong\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAltazimuth mount: \u003c\/strong\u003eThe altazimuth mount with camera tripod-style pan handle provides right\/left and up\/down motions. This is suitable for casual astronomical observing, and will let you easily track objects on the ground to allow you to get a closer look at nature and your surroundings. An adjustable tension knob at the base of the mount allows you to lock the tube in place or to adjust the drag on the scope during right\/left motions. This lets you control how smoothly the mount moves as you move the tube left or right to follow objects moving across the sky or on the land. A knob on the mount head locks the scope in place up and down, as well as letting you adjust the drag on the scope to set the travel smoothness when adjusting its position vertically using the pan handle. The optical tube is well balanced, but keeping your hand on the pan handle at all times when the clutches are unlocked would be a sensible safety precaution.\n\u003cp\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTripod: \u003c\/strong\u003eThe lightweight pre-assembled tripod has 1\" diameter stainless steel legs to provide a rigid and stable observing platform. It easily adjusts in height with no tools needed for standing or seated observations through the telescope. Spreader bars lock the legs firmly open when the tripod is set up. The tripod includes a convenient accessory tray that attaches to the spreader bars to hold your eyepieces and accessories close at hand and up out of the dew-soaked grass. The no-tool lock knobs that adjust the leg height of the tripod are on the inside of the legs so they won't snag on clothing in the dark, a thoughtful touch that's sure to be appreciated.\n\u003cp\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoftware: \u003c\/strong\u003eComes with TheSky Level 1 sky-charting CD-ROM that has a database of 10,000 stars and objects it can plot and display on your Windows-based computer screen. That's enough solar system and deep space detail to keep you busy observing for years, yet not so much that you're overwhelmed by charts showing much more detail than your scope can usefully reveal. Custom sky chart printing lets you print out eyepiece finder charts to use with your telescope to help you locate and identify the planets and many famous and faint deep space nebulas, galaxies, and star clusters by star-hopping from object to object using your scope's pan handle control. There are 75 full color images of well-known celestial objects to help you identify them through your scope.\n\u003cp\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo year warranty: \u003c\/strong\u003eAs an expression of Celestron's confidence in the quality of their products, the AstroMaster is protected by Celestron's two-year limited warranty against flaws in materials and workmanship.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable class=\"table\" id=\"product-attribute-specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2.8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBinary and Star Cluster Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eFair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e700mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGalaxy and Nebula Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eFair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e140x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLunar Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e11 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlanetary Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eFair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.65 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e11.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":40481972584521,"sku":"AM70ALT","price":169.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/19912.jpg?v=1675378873"},{"product_id":"explore-scientific-ar127-5-f-6-5-achromatic-doublet-refractor","title":"Explore Scientific AR127 5\" f\/6.5 Achromatic Doublet Refractor Optical Tube","description":"\u003cp\u003eThis 5\" Explore Scientific achromatic refractor optical tube is a big performer, both inside the solar system and out in the realm of the nebulas and galaxies, at a not so very big price.\u003c\/p\u003e\n\u003cdiv class=\"heading\"\u003e\u003cstrong\u003eThis 5\" Explore Scientific ES127D achromatic doublet refractor has:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\n\u003cul\u003e\n\u003cli\u003eBig 5\" aperture fully multicoated achromatic doublet refractor optics\u003c\/li\u003e\n\u003cli\u003eCollimatable objective lens cell for fine-tuning the images\u003c\/li\u003e\n\u003cli\u003eBig 8 x 50mm finderscope\u003c\/li\u003e\n\u003cli\u003e2\" dielectric star diagonal with 1.25\" eyepiece adapter\u003c\/li\u003e\n\u003cli\u003eTube rings with carry handle and Vixen-style dovetail plate\u003c\/li\u003e\n\u003cli\u003eExtended lifetime transferrable warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThis highly portable 5\" Explore Scientific ES127D achromatic doublet refractor optical tube (only 35\" long, with a weight of 15 pounds) is an exceptional value. It has a 127mm (5\") diameter multicoated doublet objective lens (825mm focal length f\/6.5). Its diffraction limited optics are sharp and well suited to serious deep space observing of binary stars, star clusters, and the brighter nebulas and galaxies, in addition to excellent high contrast planetary and lunar images. The objective lens cell is fully collimatable, so you can optimize your image quality.\u003c\/p\u003e\n\u003cp\u003eThe 5\" Explore Scientific ES127D is a great grab-and-go scope for quick looks at the sky when mounted on a suitable altazimuth mount. It's good enough optically to be the heart of a reasonably-priced serious observing system when mounted on one of the many equatorial mounts and go-to altazimuth mounts from Celestron, iOptron, and others.\u003c\/p\u003e\n\u003cp\u003eSome chromatic aberration is visible on stars and objects of 2nd or 3rd magnitude and brighter, as you would expect in an achromatic refractor with such a fast focal ratio. However, the spurious color is well controlled and not unreasonable, thanks to careful optical design, and has little effect on deep space observing. Most observers feel the relatively limited amount of chromatic aberration visible is a small price to pay for the scope's many other virtues of portability, sharpness, contrast, and optical clarity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures of This Optical Tube . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAchromatic refractor optics:\u003c\/strong\u003e 5\" (127mm) aperture, 825mm focal length, f\/6.5 air-spaced crown and flint glass doublet lens. Tube diameter is 5.13\" (130.4mm) and the tube length with dew shield installed is 34\" (864mm). Scope weight is 15 pounds (6.82 kg).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCollimatable lens cell:\u003c\/strong\u003e The 5\" Explore Scientific lens is precision collimated at the factory to give optimum performance. Although you may never need to adjust optical alignment, the ES127D allows for collimating the lens set should the telescope ever require it due to a fall or very rough handling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMulticoated optics:\u003c\/strong\u003e Fully coated on all surfaces with multiple layers of antireflection materials for high light transmission and good contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInternal light baffles:\u003c\/strong\u003e Multiple internal knife-edge baffles in the optical tube mask and deflect unwanted stray light for improved contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDew shield:\u003c\/strong\u003e The removable dew shield slows the formation of dew on the lens in cold weather to extend your undisturbed observing time. It also improves visual and photographic contrast by shielding the lens from off-axis ambient light (the neighbor's yard light, moonlight, etc.)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDust covers:\u003c\/strong\u003e Front and rear dust covers are provided.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual-speed Crayford-style focuser:\u003c\/strong\u003e 2\" focuser, with adjustable tension and lock knobs. The 2\" eyepiece holder uses a non-marring brass compression ring to hold the supplied 2\" star diagonal in place without scratching the diagonal barrel. The precision-made 2\" focuser has dual-speed focusing. There are two coarse focusing knobs. The right knob also has a smaller concentric knob with 10:1 ratio reduction gear microfine focusing. This provides exceptionally precise image control during high power visual observing or critical DSLR or CCD imaging. The focus knobs have ribbed gripping surfaces so they are easy to operate, even while wearing gloves or mittens in cold weather.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDielectric star diagonal:\u003c\/strong\u003e 90° viewing angle first surface mirror 2\" star diagonal with 1.25\" eyepiece adapter. The diagonal uses durable 99% reflectivity for maximum light transmission and long life.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinderscope:\u003c\/strong\u003e 8 x 50mm straight-through achromatic design, in a dual-ring six-point adjustment bracket with a quick release mounting shoe. Focuses by loosening the trim ring behind the objective lens cell, screwing the lens cell in or out to focus, and tightening the trim ring to lock in the correct focus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRings and dovetail tube mount:\u003c\/strong\u003e The optical tube comes with two split and hinged tube rings for installing the optical tube on your mount. The rings are connected to a dovetail mounting plate that slips into the standard dovetail groove on Astro-Tech Voyager, Explore Scientific, Celestron, and iOptron mounts, among others. A carrying handle is conveniently fitted to the top of the tube rings\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExtended lifetime warranty:\u003c\/strong\u003e This individually serial numbered Explore Scientific telescope is backed by a limited one year warranty, which will be extended to an Explore Scientific transferable Life of the Product limited warranty when its warranty card is registered with Explore Scientific within 60 days of purchase.\u003c\/p\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable class=\"table\" id=\"product-attribute-specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBinary and Star Cluster Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eVery Good\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e825mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/6.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGalaxy and Nebula Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e236x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLunar Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGreat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e15 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlanetary Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eVery Good\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e0.91 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eLimited Lifetime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDual tube rings with Vixen-style dovetail and carry handle\u003c\/li\u003e\n\u003cli\u003e8 x 50mm straight-through finderscope\u003c\/li\u003e\n\u003cli\u003e2\" dual speed Crayford focuser\u003c\/li\u003e\n\u003cli\u003e2\" dielectric star diagonal with 2\" and 1.25\" brass compression ring eyepiece holders\u003c\/li\u003e\n\u003cli\u003eRemovable dew shield\u003c\/li\u003e\n\u003cli\u003eDust covers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":40481972617289,"sku":"ES127D","price":749.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/19920.jpg?v=1675378875"},{"product_id":"explore-scientific-ar152-6-f-6-5-achromatic-doublet-refractor-optical-tube","title":"Explore Scientific AR152 6\" f\/6.5 Achromatic Doublet Refractor Optical Tube","description":"\u003cp\u003eThis 6\" Explore Scientific AR152 achromatic refractor optical tube is a sensational value - a big 6\" (152mm) and fast f\/6.5 refractor that's priced like an 80mm scope.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Explore Scientific AR152 6\" achromatic refractor has:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ebig 6\" aperture fully multicoated achromatic doublet refractor optics\u003c\/li\u003e\n\u003cli\u003ecollimatable objective lens cell for fine-tuning the images\u003c\/li\u003e\n\u003cli\u003edual-speed 2\" Crayford focuser with 10:1 ratio fine focusing \u003c\/li\u003e\n\u003cli\u003e2\" dielectric star diagonal with 2\" and 1.25\" brass compression ring eyepiece holders\u003c\/li\u003e\n\u003cli\u003ebig 8 x 50mm finderscope\u003c\/li\u003e\n\u003cli\u003etube rings with carry handle and Vixen-style dovetail plate\u003c\/li\u003e\n\u003cli\u003ebright high contrast deep space views, plus excellent performance inside the solar system\u003c\/li\u003e\n\u003cli\u003eextended lifetime warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis large aperture 6\" Explore Scientific ES152D achromatic doublet refractor optical tube is a big scope (41\" long, with a weight of 23.5 pounds), with big performance to match. It has a 152mm (6\") diameter multicoated doublet objective lens (988mm focal length f\/6.5) that gathers 44% more light than a 5\" scope. Its diffraction limited optics are sharp and well suited to serious deep space observing of binary stars, star clusters, and faint nebulas and galaxies, in addition to excellent high contrast planetary and lunar images. The objective lens cell is fully collimatable, so you can optimize your image quality.\u003c\/p\u003e\n\u003cp\u003eThe 6\" Explore Scientific ES152D is good enough optically to be the heart of a reasonably-priced serious observing system when mounted on one of the many equatorial mounts and go-to altazimuth mounts from Celestron, Meade, iOptron, and others.\u003c\/p\u003e\n\u003cp\u003eSome chromatic aberration is visible on stars and objects of 2nd or 3rd magnitude and brighter, as you would expect in a big achromatic refractor with such a fast focal ratio. However, the spurious color is well controlled and not unreasonable, thanks to careful optical design, and has little effect on deep space observing. Most observers feel the relatively limited amount of chromatic aberration visible is a small price to pay for the scope's many other virtues of portability, sharpness, contrast, and optical clarity.\u003c\/p\u003e\n\u003cp style=\"font-weight: bold;\"\u003e\u003cstrong\u003eDetails About This Optical Tube . . . \u003c\/strong\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong style=\"font-weight: bold;\"\u003eAchromatic refractor optics: \u003c\/strong\u003e6\" (152mm) aperture, 988mm focal length, f\/6.5 air-spaced crown and flint glass doublet lens. Tube diameter is 6.21\" (157.7mm) and the tube length with dewshield installed is 41\" (1041mm). Scope weight is 23.5 pounds (10.7 kg).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"font-weight: bold;\"\u003eCollimatable lens cell: \u003c\/strong\u003eThe 6\" Explore Scientific lens is precision collimated at the factory to give optimum performance. Although you may never need to adjust optical alignment, the ES152D allows for collimating the lens set should the telescope ever require it due to a fall or very rough handling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"font-weight: bold;\"\u003eMulticoated optics: \u003c\/strong\u003eFully coated on all surfaces with multiple layers of antireflection materials for high light transmission and good contrast.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"font-weight: bold;\"\u003eInternal light baffles: \u003c\/strong\u003eMultiple internal knife-edge baffles in the optical tube mask and deflect unwanted stray light for improved contrast.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"font-weight: bold;\"\u003eDew shield: \u003c\/strong\u003eThe removable dew shield slows the formation of dew on the lens in cold weather to extend your undisturbed observing time. It also improves visual and photographic contrast by shielding the lens from off-axis ambient light (the neighbor's yard light, moonlight, etc.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"font-weight: bold;\"\u003eDust covers: \u003c\/strong\u003eFront and rear dust covers are provided.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"font-weight: bold;\"\u003eDual-speed Crayford-style focuser: \u003c\/strong\u003e2\" focuser, with adjustable tension and lock knobs. The 2\" eyepiece holder uses a non-marring brass compression ring to hold the supplied 2\" star diagonal in place without scratching the diagonal barrel. The precision-made 2\" focuser has dual-speed focusing. There are two coarse focusing knobs. The right knob also has a smaller concentric knob with 10:1 ratio reduction gear microfine focusing. This provides exceptionally precise image control during high power visual observing or critical DSLR or CCD imaging. The focus knobs have ribbed gripping surfaces so they are easy to operate, even while wearing gloves or mittens in cold weather.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"font-weight: bold;\"\u003eDielectric star diagonal: \u003c\/strong\u003e90° viewing angle first surface mirror 2\" star diagonal with 1.26\" eyepiece adapter. The diagonal uses durable 99% reflectivity for maximum light transmission and long life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"font-weight: bold;\"\u003eFinderscope:\u003c\/strong\u003e 8 x 50mm straight-through achromatic design, in a dual-ring six-point adjustment bracket with a quick release mounting shoe. Focuses by loosening the trim ring behind the objective lens cell, screwing the lens cell in or out to focus, and tightening the trim ring to lock in the correct focus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"font-weight: bold;\"\u003eDovetail tube mount: \u003c\/strong\u003eThe optical tube comes with two split and hinged tube rings for installing the optical tube on your mount. The rings are connected to a dovetail mounting plate that slips into the standard dovetail groove on Explore Scientific, Celestron, Meade LX80, Vixen, and similar mounts. A carrying handle is conveniently fitted to the top of the tube rings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"font-weight: bold;\"\u003eExtended lifetime warranty: \u003c\/strong\u003eThis individually serial numbered Explore Scientific telescope is backed by a limited one year warranty, which will be extended to an Explore Scientific \u003cem\u003etransferable product lifetime\u003c\/em\u003e limited warranty when its warranty card is registered with Explore Scientific within 60 days of purchase. Full details on this \u003ca href=\"https:\/\/www.astronomics.com\/explore-scientific-warranty-information_t.aspx\"\u003eunique transferable lifetime warranty\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable class=\"table\" id=\"product-attribute-specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBinary and Star Cluster Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGreat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e988mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/6.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGalaxy and Nebula Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e282x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLunar Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGreat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e23.5 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlanetary Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGreat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e0.76 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e13.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eLimited Lifetime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDual tube rings with Vixen-style dovetail and carry handle\u003c\/li\u003e\n\u003cli\u003e8 x 50mm straight-through finderscope\u003c\/li\u003e\n\u003cli\u003e2\" dual speed Crayford focuser\u003c\/li\u003e\n\u003cli\u003e2\" dielectric star diagonal with 2\" and 1.26\" brass compression ring eyepiece holders\u003c\/li\u003e\n\u003cli\u003eRemovable dew shield\u003c\/li\u003e\n\u003cli\u003eDust covers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/blockquote\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":40481972682825,"sku":"ES152D","price":849.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/19921.jpg?v=1675378876"},{"product_id":"astro-tech-at60edt-60mm-f-7-ed-triplet-apo-refractor-white-and-gray-tube","title":"Astro-Tech At60Edt 60Mm F\/7 Ed Triplet Apo Refractor, White And Gray Tube","description":"\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eTHIS PRODUCT HAS BEEN DISCONTINUED.  THIS PAGE IS HERE FOR INFORMATIONAL PURPOSES ONLY.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003eThe Astro-Tech AT60EDT is a very compact\/very high quality apochromatic triplet refractor that is equally at home observing visually or doing serious wide field imaging . . . \u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e\u003cstrong\u003eTHIS PRODUCT HAS BEEN DISCONTINUED.  THIS PAGE IS HERE FOR INFORMATIONAL PURPOSES ONLY.\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eThis Astro-Tech AT60EDT ED triplet refractor has:\u003cbr\u003e\u003cbr\u003e• 60mm f\/7 fully multicoated apochromatic ED triplet refractor optics\u003cbr\u003e• dual-speed rotating 2\" rack-and-pinion focuser with 10:1 ratio fine focusing\u003cbr\u003e• 2\" and 1.25\" non-marring compression ring accessory holders\u003cbr\u003e• combined dovetail\/tripod bracket for use on a photo tripod or a German equatorial mount\u003cbr\u003e• retractable self-storing lens shade\u003cbr\u003e• amazing wide field astrophotographic capabilities\u003cbr\u003e• long-lasting white and gray paint finish\u003cbr\u003e• aluminum-frame foam-fitted hard case\u003cbr\u003e• two-year warranty\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThe Astro-Tech AT60EDT is a superb grab-and-go visual scope, a fine wide-field astrograph, and a daytime spotting scope. Its 420mm f\/7 ED air-spaced apochromatic triplet optics are essentially free from spurious color (chromatic aberration), even at high magnifications. The optical performance - both visually and photographically - is little short of astonishing. \u003cbr\u003e\u003cbr\u003eThe exceptional AT60EDT triplet optics are even more impressive when you consider the package they come in. The substantial (5.3 pounds) and finely-machined scope has a dual speed 2\" rack-and-pinion focuser with a microfine 10:1 fine-focusing ratio. You can rotate the focuser a full 360° to put your eyepiece or camera in the most comfortable observing position. The supplied 2\" and 1.25\" eyepiece adapters use non-marring brass compression rings that won't scratch your eyepiece and accessory barrels. The Astro-Tech AT60EDT has a retractable lens shade and comes in a locking aluminum-frame hard carrying case.\u003cbr\u003e\u003cbr\u003eThis 11\" long refractor optical tube (14\" long with the lens shade extended) has the right balance of aperture and focal length to use as a low-power rich field telescope, as a medium-power planetary telescope, or as any kind of telescope in between. Its compact size and convenient removable L-shaped mounting foot that mounts on any photographic tripod also make it an excellent terrestrial spotting scope for vacations, birding, or nature studies. In addition, optional camera adapters turn the AT60EDT into a superb 420mm (8.4x with a 35mm camera or a large chip DSLR) f\/7 daytime telephoto lens and nighttime wide-field astrograph. The photo tripod mounting foot is also a Vixen-style dovetail that mounts directly on many altazimuth and German equatorial mounts, such as those from Astro-Tech, Celestron, Meade, and Vixen.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFeatures of this Astro-Tech refractor. . .\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eED triplet refractor optics:\u003c\/strong\u003e 60mm (2.36\") aperture, 420mm focal length, f\/7 focal ratio air-spaced triplet lens using premium Ohara glass from Japan, including an ED (Extra-low Dispersion glass) element to reduce spurious color halos and fringing to apochromatic levels. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eMulticoated optics:\u003c\/strong\u003e The objective lens has the latest state-of-the-art broadband antireflection multicoatings on all air-to-glass surfaces for high light transmission and excellent contrast. This can easily be seen by looking into the objective lens of the scope. Virtually no reflection of your face will be seen, even in brightly lit situations. It's a sure sign that the high transmission coatings are doing their job, by letting virtually all the light enter the scope, rather than reflecting some light back to your eye.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAnti-reflection treatment:\u003c\/strong\u003e The interior of the optical tube uses special matte black paint and anti-reflection threading the full length of the focuser drawtube for truly dark sky backgrounds and high daytime terrestrial contrast. In addition, the edges of the objective lens are blackened to eliminate contrast-reducing stray internal reflections.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFull power range capability:\u003c\/strong\u003e The \"highest useful magnification\" is theoretically 140x. This is the power obtained with a 3mm eyepiece, which provides an exit pupil of 0.43mm (less than 1\/50th of an inch) and 59x per inch of aperture. This is generally the smallest exit pupil recommended with any telescope before the images start to become too dim to be consistently useful.\u003cbr\u003eHigher powers are possible for lunar and planetary observing, however, given excellent seeing conditions, although the increasing dimness of the image will start to limit the performance on all but the brightest objects.\u003cbr\u003eThe lowest useful power is 10.5x, achieved with a 40mm eyepiece (a 40mm 1.25\" TeleVue Plössl will give you a 4.1° field at that power; while a 2\" Explore Scientific 40mm 68° Series will give you a 6.48° field). At 4.4x per inch of aperture, this is very close to the 4x per inch of aperture generally regarded as the lowest practical power with any telescope. A 40mm eyepiece on the AT60EDT will give you a 5.7mm exit pupil, about the maximum to which most eyes can dilate. Any lower power would simply waste some of the scope's light gathering capacity, as some of its exit pupil, and some of the scope's collected light, would fall on your iris, rather than entering your eye.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDew shield:\u003c\/strong\u003e A self-storing retractable dew shield slows the formation of dew on the lens in cold weather to extend your undisturbed observing time. It also improves the contrast, similar to the effect of the lens shade on a camera lens, when observing during the day or when there is excessive ambient light at night, such as a neighbor's backyard security light.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDual speed microfine 2\" rack-and-pinion focuser with 1.25\" adapter:\u003c\/strong\u003e The precision-made 2\" focuser has dual-speed focusing. There are two coarse focusing knobs. The right knob also has a smaller concentric knob with 10:1 ratio reduction gear microfine focusing. This provides exceptionally precise image control during high power visual observing or critical DSLR or CCD imaging. The focus knobs have knurled rubber and ribbed gripping surfaces so they are easy to operate, even while wearing gloves or mittens in cold weather. \u003cbr\u003eThe drawtube has a very long 95mm (3.75\") travel for imaging, with a scale marked in 1mm increments so you can note individual focuser positions for easy return to the correct focus when switching between visual use and photography. A large knurled lock knob under the focuser lets you solidly lock in your photographic focus.\u003cbr\u003eThe new heavy-duty patent-pending focuser has a precisely-machined 20mm brass rack with a unique slot machined down the center of the rack. When the lock knob on the focuser drawtube is tightened, a slotted shaft on the knob engages the lip of the slot in the rack. This provides a solid metal-to-metal grip on the rack (not merely added friction) to provide an absolute lock of the photographic focus. There is no possibility of focuser slippage once the lock knob is tightened firmly, no matter what the weight of the photo accessories.    \u003cbr\u003eThe focuser drawtube terminates in a 2\" compression ring accessory holder to accept a 2\" star diagonal or 2\" photo accessories. A lock knob on the top of the scope allows the focuser to be rotated a full 360°. This lets you rotate the focuser to line up a camera in either a landscape or portrait orientation (or any orientation in between), as well as put a star diagonal and eyepiece into the most comfortable observing position, and then temporarily lock the focuser in that position.\u003cbr\u003eThe supplied 1.25\" accessory adapter slips onto the 2\" accessory holder and uses a soft brass compression ring to hold 1.25\" star diagonals and photo\/visual accessories in place. The 1.25\" and 2\" compression rings won't scratch the barrels of your star diagonal or accessories as an ordinary thumbscrew can.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCombined equatorial dovetail\/tripod adapter:\u003c\/strong\u003e The AT60EDT has a removable L-shaped dovetail mounting foot\/tripod adapter. The 1.75\" wide x 3.25\" long mounting foot is sized and shaped (with slanted sides) to fit the Vixen-style dovetail slot on the head of many altazimuth and equatorial mounts. It will fit, without modification, the Astro-Tech Voyager altazimuth mount and the Celestron CG-5 and Advanced Series, Meade LXD-75, and Vixen Great Polaris German equatorial mounts, among others.\u003cbr\u003eIn addition, the mounting shoe has a 1\/4\"-20 thread mounting hole that allows it to be installed on any camera tripod that has a standard 1\/4\"-20 thread mounting bolt. \u003cbr\u003eCork pads on the underside of the mounting shoe help keep the scope from swiveling when mounted on a photo tripod. The dovetail is removable to allow the 75mm diameter optical tube AT60EDT to be used with optional guidescope rings as a photoguide for a larger telescope.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eTube finish:\u003c\/strong\u003e The optical tube is finished in a durable and subtly-textured white automotive-grade paint with black trim and a gray and black focuser.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eOther supplied accessories:\u003c\/strong\u003e A slip-on metal dust cap is standard. Two threaded holes for installing a finderscope mounting bracket are located on the upper side of the rotating focuser so you can install a finder on either the right or left side, as you prefer. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eShipping\/storage case:\u003c\/strong\u003e The scope comes in a 15.5\" x 10\" x 7.5\" aluminum-frame locking hard case with carry handle. The foam-fitted case has cutouts for the scope, a 1.25\" or 2\" star diagonal, and up to three eyepieces (two 1.25\" and one 2\").\u003cbr\u003eAstro-Tech is one of the very few manufacturers to provide a case at no charge for protection during shipping and as a storage convenience when the scope is not in use. Unfortunately, FedEx, UPS, and the Postal Service are very good at treating packages roughly. Occasionally, your scope can arrive in perfect condition, but with the walls of the shipping case dented in transit from rough handling, or the aluminum frame sprung, rendering the appearance of the case less than pristine. Damage to the shipping\/storage case in such instances is not covered by warranty.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eTwo year warranty:\u003c\/strong\u003e As an expression of the confidence Astronomy Technologies has in the quality of their products, the Astro-Tech AT60EDT is protected by a two-year limited warranty against flaws in materials and workmanship (shipping case excluded).\u003c\/p\u003e","brand":"Astro-Tech","offers":[{"title":"Default Title","offer_id":40481973338185,"sku":"AT60EDT","price":599.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/20001.jpg?v=1675378921"},{"product_id":"celestron-6-advanced-vx-series-go-to-equatorial-refractor","title":"Celestron 6\" Advanced VX Series Go-To Equatorial Refractor Telescope","description":"\u003cp\u003eThis 6\" f\/8 Celestron AVX6R achromatic doublet refractor telescope has anew imaging-optimized Advanced VX Series computerized go-to German equatorial mount that will find and followover 40,000 deep space and solar system objects for you.\u003c\/p\u003e\n\u003cdiv class=\"heading\"\u003e\u003cstrong\u003eThis Celestron Advanced VX 6\" refractor telescope has\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e• 6\" f\/8 achromatic doublet refractor optics\u003cbr\u003e• Advanced VX Series computerized go-to equatorial mount and tripod\u003cbr\u003e• 9 x 50mm finderscope \u003cbr\u003e• 2\" rack and pinion focuser with 1.25\" adapter \u003cbr\u003e• 20mm Plössl eyepiece (60x) with a wide 1.3° field of view \u003cbr\u003e• full multicoatings for high-contrast images of both solar system and deep space objects \u003cbr\u003e• 2-year warranty\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eThis Celestron AVX6R telescope is a 6\" aperture achromatic refractor optical tube on a robust go-to computerized German equatorial mount. The optics are sharp and well suited to serious deep space observing of binary stars, star clusters, and the brighter nebulas and galaxies . . . as well as the excellent high contrast planetary and lunar images for which refractors are famous. The new VX Series go-to mount makes finding and following over 40,000 of those objects easy and automatic, so you spend more of your time looking at celestial wonders, and less time looking for them.\u003c\/p\u003e\n\u003cp\u003eSome chromatic aberration is visible on stars and objects brighter than 2nd or 3rd magnitude, as you would expect in an achromatic refractor with such a large aperture and fast focal ratio. However, the spurious color is well-controlled and not unreasonable, thanks to careful optical design, and has little effect on deep space observing of nebulas, galaxies, and star clusters. Most observers feel the relatively limited amount of chromatic aberration visible on the Moon and planets is a small price to pay for the scope's many other virtues of sharpness, contrast, and optical clarity.\u003c\/p\u003e\n\u003cp\u003eThe scope's lightweight optical tube and easily assembled mount make it quick to set up and enjoy - either in your back yard or at a distant dark sky site. Its superb optical quality and reasonable price for a go-to scope make it an excellent buy for the beginning and advanced astronomer alike.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Optical System . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAchromatic refractor optical tube:\u003c\/strong\u003e 6\" aperture precision ground and polished crown and flint glass doublet (1200mm focal length f\/8), guaranteed to be diffraction-limited. The 51\" long aluminum optical tube weighs only 19 lb (8.6 kg), making it easy to transport and assemble in the field. An aluminum dew shield reduces dewing to extend your observing time and blocks ambient light to improve your contrast. The f\/8 focal ratio pairs well with Celestron Nightscape CCD cameras for imaging the brighter deep space objects, and with the Celestron NexImage 5 Solar System Imager for lunar and planetary imaging.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMulticoated optics:\u003c\/strong\u003e High light transmission anti-reflection multicoatings are standard equipment on all air to glass surfaces.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinderscope:\u003c\/strong\u003e 6x30mm straight-through achromatic design, with a wide 5.8° field of view. Focuses by loosening the trim ring behind the objective lens cell, screwing the lens cell in or out to focus, and tightening the trim ring to lock in the correct focus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFocuser:\u003c\/strong\u003e 2\" rack and pinion type, with removable 1.25\" accessory adapter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStar diagonal:\u003c\/strong\u003e 1.25\" prism type. For peak performance, some observers have found that upgrading the supplied star diagonal to a premium version, such as the 99% reflectivity dielectric multicoated Astro-Tech 1.25\" AT1D and 2\" AT2D, pays visible dividends in sharpness and contrast during high magnification observing. A set of optional vibration suppression pads under the tripod feet will likewise improve the telescope damping time for steadier high power observing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEyepiece:\u003c\/strong\u003e 1.25\" 20mm Plössl (60x). The eyepiece field of view is 0.83 degrees, two-thirds larger than the full Moon.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Telescope's Mount . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHeavy duty Advanced VX Series computerized go-to German equatorial mount:\u003c\/strong\u003e This scope's new Advanced VX mount was specifically designed to provide optimum imaging performance for smaller telescopes (30 lbs and under). It has the imaging-friendly features of Celestron's larger telescope mounts, such as permanent periodic error correction (PPEC) and the ability to Image across the meridian without doing a meridian flip, so you can seamlessly image the best part of the night sky.\u003c\/p\u003e\n\u003cp\u003eExperienced imagers will love taking this portable mount to a dark sky site (the head weighs only 17 lbs, the tripod only 18 lbs, plus two 11 lb counterweights), as it provides all the performance of their larger observatory mounts in a portable package. If you're new to imaging, the Advanced VX mount will help you get started with the hobby and keep up with your needs for years to come.\u003c\/p\u003e\n\u003cp\u003eThe mount includes dual-axis slewing\/tracking low-cog DC servo motors with positioning encoders on each axis for go-to computer control. The new motors provide improved tracking performance and more power to handle an unbalanced load than previous Advanced Series drives. Built-in adjustable backlash compensation and permanent user-programmed periodic error correction (PPEC) permits precise corrections during astrophotography and when observing visually at high powers. The maximum slewing speed is a fast 4° per second.\u003c\/p\u003e\n\u003cp\u003eThe scope is supplied with a car battery cord to operate from the cigarette lighter plug of your car or from a rechargeable 12V battery pack. The mount requires a 12VDC 3.5A power source, so the Celestron 17 amp hour capacity Power Tank #4517V is recommended for extended use in the field. The Power Tank can be recharged hundreds of times and will operate the scope all night long without danger of running out of power. Celestron AC adapter #2338PRO is also available to operate the scope from household AC in your back yard.\u003c\/p\u003e\n\u003cp\u003eThe two sliding 11 pound counterweights are locked in place with a single hand-tighten thumbscrew each, making it easy to rebalance the scope if you add heavy photographic accessories. The mount is easily capable of handling the scope and any reasonable combination of photographic accessories you might want to use. Snap-on covers keep the motor drives free from dust and debris. A set of optional vibration suppression pads #4525 under the tripod feet will improve the telescope damping time for steadier high power observing.\u003c\/p\u003e\n\u003cp\u003eTo make a casual polar alignment for visual use quick and easy, there's a latitude scale and fine adjustment controls in both altitude and azimuth. The scope can be used over a wide 7° to 77° latitude range in both the northern and southern hemispheres. The scope includes Celestron's unique All-Star computerized polar alignment that lets you do an accurate polar alignment even when Polaris is hidden by trees or buildings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNexStar+ computer hand control:\u003c\/strong\u003e The supplied NexStar+ computerized hand control has an internal clock and a built-in database of more than 40,000 stars and deep space\/solar system objects it can find for you. These include the complete RNGC, Messier, Caldwell, IC, and Abell catalogs; selected SAO stars, such as variables and multiple star systems; the planets, the Moon, and more. There is enhanced information on over 200 of the most note-worthy objects.\u003c\/p\u003e\n\u003cp\u003eYou can also store and edit the right ascension and declination of 100 additional user-defined objects of your own choosing, such as the comet and asteroid coordinates published monthly in Astronomy and Sky \u0026amp; Telescope magazines. The computer control can find any of those objects with at your command, and accurately track them for visual or photographic application.\u003c\/p\u003e\n\u003cp\u003eAll of the database and telescope operation information is displayed on a double line, 16-character, liquid crystal display on the hand control. The NexStar+ hand control offers multiple language programming (English, French, Italian, German, Spanish). There are 19 fiber optic back-lit LED buttons to make it easy for you to control the computer without affecting your dark adapted vision. There are two AUX ports, an autoguider port, and an RS-232 communication port on the hand control that allows you to operate the telescope via a personal computer. The computer hand control software can be upgraded over the Internet from Celestron's website, assuring that you always have the most current software version at your command.\u003c\/p\u003e\n\u003cp\u003eSeveral different alignment methods are built into the NexStar+ computer, allowing you to choose a level of computer accuracy in automatically finding objects with which you are comfortable. You can choose two-star align, quick align, one-star align, last alignment, or solar system align. Each of these computer-guided alignment methods is easily accomplished in only a few short minutes. You can be observing in less than 15 minutes after you first take your scope outdoors, including telescope assembly time.\u003c\/p\u003e\n\u003cp\u003eIn addition, the NexStar+ computer hand control is GPS-compatible (using an optional inexpensive SkySync GPS module) for full GPS (Global Positioning System) satellite accuracy. Adding GPS to the computer is something no competitive scope can do. With the Advanced VX Series go-to mount and the SkySync, orienting the scope in time and space on earth and aligning the scope on the sky becomes almost as easy as simply turning the scope on.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdjustable height tripod:\u003c\/strong\u003e The tripod has 2\" diameter steel legs with a center leg brace for rigidity, with excellent damping characteristics. The center leg brace is drilled to form a convenient accessory tray that holds 1.25\" and 2\" eyepiece to keep them up out of the dew-soaked grass.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDovetail slide bar:\u003c\/strong\u003e An adjustable Vixen-style dovetail slide bar allows the optical tube to be quickly and precisely balanced fore and aft on the mount, eliminating the need for an extra counterweight to balance a camera or other accessories. Setup and takedown times are exceptionally fast, as a single large hand-tighten knob holds the optical tube in place. A second lock knob prevents the tube from sliding off the mount should the hand-tighten knob loosen.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo-year warranty:\u003c\/strong\u003e All Celestron go-to telescopes have a two-year warranty.\u003c\/p\u003e\n\u003ch2\u003eTech Details:\u003c\/h2\u003e\n\u003ctable style=\"max-width: 500px;\" id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1200mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eHeaviest Single Component\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e19 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e300x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eMotorized Controls\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eComputerized Go-To\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e76 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eOptical Coatings\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eFully multicoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e0.76 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eSupplied Eyepiece\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e20mm Plossl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eView Finder\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e6x30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e13.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":40481974157385,"sku":"AVX6R","price":1899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/20047.jpg?v=1675378960"},{"product_id":"sky-watcher-esprit-80mm-f-5-ed-apochromatic-triplet-refractor-with-field-flattener","title":"Sky-Watcher Esprit 80mm f\/5 ED Apochromatic Triplet Refractor With Field Flattener S11400","description":"\u003cp\u003eThe compact Sky-Watcher Esprit 80mm ED apochromatic triplet refractor has the premium high contrast\/high resolution optical performance you need to let you use it as the heart of your observing and wide field imaging system.\u003c\/p\u003e\n\u003cdiv class=\"heading\"\u003e\u003cstrong\u003eThis fast focal ratio Sky-Watcher Esprit 80mm ED triplet apochromatic refractor has:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e• 80mm f\/5 apochromatic triplet optics using ED glass\u003cbr\u003e• thread-on glass doublet field flattener\u003cbr\u003e• rotatable dual-speed 2.7\" rack and pinion focuser\u003cbr\u003e• 2\" star diagonal with 99% reflectivity dielectric mirror coatings\u003cbr\u003e• M48 camera adapter\u003cbr\u003e• 8 x 50mm right-angle correct-image finderscope\u003cbr\u003e• tube rings with a Vixen-style dovetail for installing on a German equatorial mount\u003cbr\u003e• aluminum clad foam-lined hard case\u003cbr\u003e• two-year warranty\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eThe Sky-Watcher Esprit 80mm apochromatic triplet uses a lens of extra-low dispersion (ED) glass, flanked by two carefully chosen mating lenses of premium optical glass. The trio delivers crisp, high-fidelity wide-field images of celestial objects. The views are unmarred by the faint but annoying halo of unfocused violet light (chromatic aberration) often seen around bright stars and solar system objects in other large aperture fast focal ratio doublet and triplet refractors.\u003c\/p\u003e\n\u003cp\u003eThe 80mm Sky-Watcher Esprit triplet utilizes the most modern optical glasses and fabricating techniques to deliver the ultimate in small aperture high-fidelity astronomical observing and imaging. Each lens element is individually inspected for purity and absence of striations and other image-degrading imperfections. Each element is then pitch polished to exacting standards of optical fabrication and performance by highly skilled opticians and tested on an optical laser bench to rigidly controlled optical standards. The result is a high-quality, diffraction-limited optical system performing to the theoretical limits of its aperture - one that will give you years of imaging and visual observing satisfaction.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures of this Sky-Watcher refractor . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApochromatic ED triplet refractor optics:\u003c\/strong\u003e 80mm (3.15\") aperture, 400mm focal length, f\/5 focal ratio. The optics use two mating elements of premium optical glass. The ED element is precision-polished from high grade ED (Extra-low Dispersion) glass.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFully multicoated optics:\u003c\/strong\u003e Each air-to-glass surface in the Sky-Watcher Esprit 80mm triplet objective lens has high transmission antireflection multicoatings on all air-to-glass surfaces for high light transmission, minimal light scatter, and excellent contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFixed Dewshield:\u003c\/strong\u003e Because of the very short length of the Sky-Watcher Esprit 80mm (only 17.4\" including the dew shield), the dewshield is fixed and does not have to be retracted to fit the scope into its carrying case. The dew shield slows the formation of dew on the lens in cold weather to extend your undisturbed observing time. It also improves the contrast, similar to the effect of the lens shade on a camera lens, when observing during the day or when there is excessive ambient light at night, such as a neighbor's backyard security light.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThread-on doublet field flattener:\u003c\/strong\u003e When you are ready for imaging, the Esprit 80mm includes a doublet field flattening lens that can be threaded onto the optical tube to transform your scope into an exceptional wide-field imaging Instrument. Using optical grade glass and multicoatings on all air-to-glass lens surfaces, the field flattener provides sharp, in-focus stars across a large fully-illuminated 33mm image circle that is ideal for most APS-C sensor size DSLR cameras and for CCD cameras using the popular Kodak 8300 sensor. Back focus is 75mm. A Canon EOS camera adapter (the most popular DSLR camera brand for astronomical imaging) is standard equipment. Optional Celestron M48 camera adapters are available for Nikon and Sony\/Minolta Maxxum cameras.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual speed 2.7\" rack and pinion focuser:\u003c\/strong\u003e The precision-made and mechanically ultra-smooth, backlash-free, rack and pinion focuser has a giant 2.7\" diameter drawtube with a 2\" accessory adapter. This rotatable focuser offers dual-speed focusing and has an engraved focusing scale. There are two coarse focusing knobs. The right knob has a smaller concentric knob with 10:1 reduction gear microfine focusing over the full 60mm focuser travel. This provides exceptionally precise image control during high magnification visual observing and critical DSLR or CCD imaging. The large focus knobs have ribbed gripping surfaces so they are easy to operate, even while wearing gloves or mittens in cold weather. A lock knob lets you adjust the tension on the drawtube to accommodate varying eyepiece\/photo accessory loads, as well as firmly lock in a photographic focus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2\" dielectric star diagonal:\u003c\/strong\u003e The supplied standard equipment 2\" mirror star diagonal of the Esprit 80mm slips into the focuser drawtube's 2\" eyepiece\/accessory holder. The 2\" compression ring diagonal has 99% reflectivity dielectric mirror coatings for high light transmission. A 1.25\" compression ring accessory adapter is included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinderscope:\u003c\/strong\u003e The Sky-Watcher Esprit 80mm comes with a 9 x 50mm right-angle correct-image finderscope that is fully multicoated to insure maximum brightness and contrast. The finder shows the star field in its correct upright and right-reading orientation, as it appears to the naked eye and on star charts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMounting rings and dovetail:\u003c\/strong\u003e The Sky-Watcher Esprit 80mm apo has dual hinged split-ring tube rings to hold the 4.875\" diameter aluminum optical tube and a Vixen-style dovetail that fits directly into the dovetail slot on the head of many of the most popular medium capacity German equatorial mounts, such as the Celestron Advanced VX and CGEM.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping\/storage case:\u003c\/strong\u003e The scope comes in foam-fitted aluminum-clad shipping\/storage case.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo-year warranty:\u003c\/strong\u003e The Sky-Watcher Esprit 80mm triplet apo is protected by a two-year limited warranty against flaws in materials and workmanship.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5WNeHM2lqDU\" frameborder=\"0\" allow=\"autoplay; encrypted-media\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e \u003c\/p\u003e\n\u003cdiv\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/PBTvvjEgTos\" frameborder=\"0\" allow=\"autoplay; encrypted-media\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eTech Details:\u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ctable class=\"table\" id=\"product-attribute-specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e80mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e400mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e133x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e8.8 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOptical Coatings\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eFully multicoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.45 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplied Eyepiece\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eView Finder\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e8x50mm Erect Image RA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e12.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBack Focus\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eS11400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e050234114004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eOptical Info\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eED Triplet Refractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Coatings\u003c\/td\u003e\n\u003ctd\u003eFully Multi-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlass Type\u003c\/td\u003e\n\u003ctd\u003eBK7 (2)\/FPL-53(ED)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Aperture (mm)\u003c\/td\u003e\n\u003ctd\u003e80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF\/Ratio\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length (mm)\u003c\/td\u003e\n\u003ctd\u003e400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eObservational Info\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDawes Limit\u003c\/td\u003e\n\u003ctd\u003e1.45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRayleigh Limit\u003c\/td\u003e\n\u003ctd\u003e1.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLimiting Mag.\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Magnification\u003c\/td\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Magnification\u003c\/td\u003e\n\u003ctd\u003e157\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eGeneral Info\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e2.7\" Dual Speed R\u0026amp;P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Length (Retract\/Ext.)\u003c\/td\u003e\n\u003ctd\u003e17.4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Outer Diameter\u003c\/td\u003e\n\u003ctd\u003e4.875\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Weight (with accessories)\u003c\/td\u003e\n\u003ctd\u003e8.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eAccessories\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Finder\u003c\/td\u003e\n\u003ctd\u003e8x50 RACI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Diagonal\u003c\/td\u003e\n\u003ctd\u003e2\" Dielectric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Accessories\u003c\/td\u003e\n\u003ctd\u003eV-Rail Foot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Eyepieces\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Case\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorrector\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":40481974812745,"sku":"S11400","price":1399.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/files\/RS1377_S11400_Esprit80_OTAOnly_RightFront_NoBackground-scr_1800x1800_746a8f20-2b16-4706-a44c-027977246f7a.webp?v=1723134733"},{"product_id":"astro-tech-60mm-photoguide-refractor","title":"Astro-Tech 60mm Photoguide Refractor OTA","description":"\u003cp\u003eThe new Astro-Tech AT60GS 60mm guidescope with upgraded helical focuser makes highly accurate autoguiding of deep space astrophotos affordable for any astrophotographer.  The Astro-Tech AT60GS 60mm fast focal ratio guidescope adds 10mm of aperture to its 50mm predecessor to allow guiding on fainter stars, plus a new rock-solid upgraded helical focuser to eliminate any possible play in the focuser over its entire travel range.\u003c\/p\u003e\n\u003cdiv\u003eThe Astro-Tech AT60GS guidescope refractor  is superb for guiding long-exposure DSLR and CCD astrophotos. It is usable with refractors and imaging Newtonians up to 1500mm in focal length, as well as longer focal length scopes, such as the 12\" Astro-Tech Ritchey-Chrétien astrographs.\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003eTaking deep space photos used to require tedious and error-prone manual guiding through a crosshair eyepiece and a large aperture, long focal length guidescope. However, the guiding accuracy of modern CCD autoguiders allows hands-free automatic guiding of long exposure photos through smaller guidescopes with much shorter focal lengths. Using an optically \"fast\" guidescope, such as the 60mm Astro-Tech AT60GS, you save valuable time, space, and money, while still recording the pin-point star images that only autoguiding can bring to long-exposure astrophotos.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe Astro-Tech AT60GS guidescope is a 60mm aperture 240mm focal length (f\/4) achromatic refractor with a helical focuser. The focuser can rotate as well to help you get the perfect framing.  It has dual mounting rings with nylon-tipped collimation screws (three per ring). The rings are attached to a riser block that uses a standard Vixen style mounting foot.  A vixen mounting shoe is included as well. Add an optional small-chip CCD autoguider, and you ready for automatic guiding.\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003eThe Astro-Tech AT60GS guidescope weighs only 20 ounces (30 ounces with the mounting rings and dovetail mounting bar). Its light weight lets you replace a heavier guidescope to gain a little breathing room with imaging setups that are pushing your mount's payload capacity. It measures 10.2\" (259mm) long with the focuser collapsed. With the focuser fully extended it measures 10.75\" long. A 48mm long fixed dew shield (with rubber dust cover) shields the fully multicoated cemented doublet lens from stray light.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe  Astro-Tech guidescope's helical focuser has a lock on the rotation for your CCD autoguider during focusing. The helical focuser simply moves the attached autoguider in or out while maintaining its set orientation. This ensures that the field of potential guide stars will not rotate when focusing.\u003c\/div\u003e\n\u003cdiv\u003e  \u003c\/div\u003e\n\u003cdiv\u003eThe focuser drawtube also has a lock on it so you can't accidentally change focuser during your guiding session.\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003eThe focuser terminates in a 1.25\" accessory holder for those guiders that have a fixed 1.25\" nose piece for connecting guider to guidescope. There are also male T-threads for a more solid and secure direct attachment of a guider whose nose piece can be removed to expose female T-threads for attachment to a guidescope.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eTech Details:\u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ctable style=\"max-width: 500px;\" id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e27 oz.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1 year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Astro-Tech","offers":[{"title":"Default Title","offer_id":40481975730249,"sku":"AT60GS","price":139.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/astronomics_optimized-0076.jpg?v=1675379050"},{"product_id":"explore-scientific-102mm-f-7-essential-series-fcd-1-ed-triplet-refractor","title":"Explore Scientific 102mm f\/7 \"Essential Series\" FCD-1 ED Triplet Refractor","description":"\u003cp\u003eThis 102mm (4\") Explore Scientific \u003cem\u003eEssential Series\u003c\/em\u003e air-spaced ED triplet apochromatic refractor is loaded with quality optical performance at a surprisingly reasonable price for a scope of its size and optical quality.\u003c\/p\u003e\n\u003cdiv class=\"heading\"\u003eThis 4\" Explore Scientific ES102 \"Essential Series\" apochromatic refractor has:\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\n\u003cul\u003e\n\u003cli\u003e102mm f\/7 fully multicoated triplet optics using a Hoya FPL51-equivalent ED element\u003c\/li\u003e\n\u003cli\u003eDual-speed 2\" rack and pinion focuser with 10:1 ratio fine focusing\u003c\/li\u003e\n\u003cli\u003eMounting rings with dovetail for use on a Vixen-style altazimuth or German equatorial mount\u003c\/li\u003e\n\u003cli\u003eFinderscope base installed on OTA\u003c\/li\u003e\n\u003cli\u003eExtended product lifetime warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe Explore Scientific 4\" (102mm) aperture \"Essentials Series\" ES102 ED triplet refractor uses a premium Hoya ED glass element and state-of-the-art optical multicoatings in its apochromatic air-spaced ED triplet optics. The result is images that are essentially free of the annoying halo of unfocused violet light (chromatic aberration) that mars the view of bright stars and solar system objects in lesser scopes, despite the scope's relatively large aperture, and even at very high magnifications.\u003c\/p\u003e\n\u003cp\u003eThe Explore Scientific ES102 is a natural on an equatorial mount as the heart of your primary observing system. In addition, it's an excellent astrograph for serious wide field imaging, as well as crisp solar system imaging. Considering its lifetime warranty, its surprisingly reasonable price for a 4\" apochromatic triplet, and in view of the great optical performance that comes as standard equipment, the 4\" Explore Scientific ES102 is a terrific buy!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures of this Telescope . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eED triplet refractor optics:\u003c\/strong\u003e 102mm (4\") aperture, 714mm focal length, f\/7 focal ratio three-lens air-spaced optical system. The optics use a center lens element of Hoya FCD1 (Dense Fluor Crown) glass, the Hoya equivalent of FPL-51 ED (Extra-low Dispersion) glass. This ED element produces superior sharpness and color correction by minimizing the chromatic aberration, the \"false\" color fringing seen around bright objects when light rays pass through standard crown-and-flint doublet objectives, particularly those with apertures in the ES102 class. The result is to reduce spurious color halos and fringing to vanishingly low levels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFully multicoated optics:\u003c\/strong\u003e The ES102 triplet objective lens has EMD™ (Enhanced Multilayer Deposition) antireflection multicoatings on all air-to-glass surfaces for high light transmission, minimal light scatter, and excellent contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInternal light baffles:\u003c\/strong\u003e The aluminum tube body has contrast-enhancing internal light baffles and a specially darkened tube interior to provide dark sky backgrounds and high contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCollimatable optics:\u003c\/strong\u003e One of the bonuses of owning a refractor is that, compared to standard reflector telescopes, they almost never require realigning of the optics (collimation). However, any air-spaced refractor telescope may require optical recentering if the lens elements are knocked out of alignment by a heavy blow during shipping or use. Removing the dew shield will give you access to the lens centering screws in the sides of the lens cell, which you can then adjust yourself by referring to the supplied instructions. You can also send your scope to Explore Scientific's Service Center for precision alignment. A standard service charge applies for factory realignment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDew shield:\u003c\/strong\u003e The supplied dew shield slows the formation of dew on the lens in cold weather to extend your undisturbed observing time. It also improves the contrast, similar to the effect of the lens shade on a camera lens, when observing during the day or when there is excessive ambient light at night, such as a neighbor's backyard security light. A slip-on metal dust cap is standard.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual speed 2\" rack and pinion focuser:\u003c\/strong\u003e The rotating precision-made no-backlash focuser has dual-speed focusing. There are two coarse focusing knobs. The right knob also has a smaller concentric knob with a 10:1 reduction gear microfine focusing ratio. This provides exceptionally precise image control during high magnification visual observing and critical DSLR or CCD imaging. The large focus knobs have ribbed gripping surfaces so they are easy to operate, even while wearing gloves or mittens in cold weather.\u003c\/p\u003e\n\u003cp\u003eThe focuser drawtube has a scale marked in centimeters and 1mm increments. This lets you note individual focuser positions for easy return to the correct focus when switching between visual use and photography. Lock knobs let you adjust the tension on the drawtube to accommodate varying eyepiece\/photo accessory loads, as well as firmly lock in a photographic focus. The focuser terminates in a non-marring 2\" compression ring accessory holder. Two 2\" draw tube extensions are included to let adjust the back focus when using a diagonal and eyepieces versus a camera.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMounting rings and dovetail:\u003c\/strong\u003e The ES102 has dual split mounting rings with a dovetail plate that fits the Vixen-style dovetail slot on the head of many of the most popular medium capacity German equatorial mounts. Such mounts include go-to mounts from Celestron and iOptron, among others. A spacer\/stabilizing bar on the top of the rings provides a carrying handle that makes it easy to transport the optical tube and install it on your equatorial mount. There is a mounting shoe for an optional finderscope installed on the body of the scope.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExtended lifetime warranty:\u003c\/strong\u003e This individually serial numbered Explore Scientific telescope is backed by a limited one year warranty, which will be extended to an Explore Scientific transferable Life of the Product limited warranty when its warranty card is registered with Explore Scientific within 60 days of purchase.\u003c\/p\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e714mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTube Length w\/ Dew Shield\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e30.5\" (774mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTube Length w\/out Dew Shield\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e23.75\" (603mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e204x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTube Diameter\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e119mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e12 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDovetail\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eVixen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.14 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\n\u003cp\u003e12.5\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1 year, extendable to lifetime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDual tube rings with Vixen-style dovetail\u003c\/li\u003e\n\u003cli\u003e2\" dual speed rack and pinion focuser\u003c\/li\u003e\n\u003cli\u003eRetractable dew shield\u003c\/li\u003e\n\u003cli\u003eDust covers\u003c\/li\u003e\n\u003cli\u003eFinderscope base\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":40481976713289,"sku":"ES102B","price":999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/files\/ed102_b_854x854_4c39a1cf-2de3-43f1-ac91-a0da84a096c2.webp?v=1722007736"},{"product_id":"explore-scientific-152mm-f-8-fcd-1-ed-triplet-refractor-carbon-fiber-3-hex-rack-and-pinion-focuser","title":"Explore Scientific 152mm f\/8 FCD-1 ED Triplet Refractor, Carbon Fiber, 2.5\" Hex Rack And Pinion Focuser","description":"\u003cp\u003eThis big and optically excellent 152mm (6\") Explore Scientific air-spaced ED triplet apochromatic refractor has a carbon fiber body and a 2.5\" Hex rack and pinion focuser. It is superb for visual observing and long-exposure DSLR and CCD imaging.\u003c\/p\u003e\n\u003cdiv class=\"heading\"\u003eThis 6\" Explore Scientific ES152CF apochromatic carbon fiber refractor has:\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e• 152mm (6\") fully multicoated f\/8 apochromatic triplet optics using a Hoya FPL51-equivalent ED element\u003cbr\u003e• lightweight low thermal expansion carbon-fiber body\u003cbr\u003e• dual-speed 2.5\" HEX rack-and-pinion focuser with 2\" accessory holder\u003cbr\u003e• 2\" dielectric star diagonal with 2\" and 1.25\" brass compression ring eyepiece holders\u003cbr\u003e• dual split mounting rings with handle and Losmandy-style \"D-plate\" dovetail\u003cbr\u003e• extended lifetime warranty\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eThe 6\" (152mm) aperture Explore Scientific ES152CF with 3\" HEX focuser uses a premium ED glass element and state-of-the-art optical multicoatings in its apochromatic air-spaced ED triplet optics. The result is visual and photographic images that are essentially free of the annoying halo of unfocused violet light (chromatic aberration) that mars the view of bright stars and solar system objects in lesser scopes, despite the scope's large aperture, and even at very high magnifications.\u003c\/p\u003e\n\u003cp\u003eThe body and dew shield of this 152mm Explore Scientific are made of high strength, low weight, low thermal expansion carbon fiber. This keeps the scope sharply focused as the ambient temperature changes during critical long-exposure CCD imaging.\u003c\/p\u003e\n\u003cp\u003eThis version of the Explore Scientific ES152CF is a natural on an equatorial mount as the heart of your observing system. In addition to it's superb visual images, it's an excellent astrograph for both serious wide field deep space imaging and crisp solar system imaging.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures of this Telescope . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eED triplet refractor optics:\u003c\/strong\u003e 152mm (6\") aperture, 1216mm focal length, f\/8 focal ratio three-lens air-spaced optical system. The optics use a center lens element of Hoya FCD1 (Dense Fluor Crown) glass, the Hoya equivalent of FPL-51 ED (Extra-low Dispersion) glass. This ED element produces superior sharpness and color correction by essentially eliminating chromatic aberration, the \"false\" color fringing seen around bright objects when light rays pass through standard crown-and-flint doublet objectives, particularly those with apertures in the 152mm class. The result is to reduce spurious color halos and fringing to vanishingly low levels for both imaging and visual use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFully multicoated optics:\u003c\/strong\u003e The triplet objective lens of the ES152CF has EMD™ (Enhanced Multilayer Deposition) antireflection multicoatings on all air-to-glass surfaces for high light transmission, minimal light scatter, and excellent contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInternal light baffles:\u003c\/strong\u003e Contrast-enhancing internal light baffles and a specially darkened tube interior provide dark sky backgrounds and high terrestrial contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCollimatable optics:\u003c\/strong\u003e One of the bonuses of owning a refractor is that, compared to standard reflector telescopes, they almost never require realigning of the optics (collimation). However, any air-spaced refractor telescope may require optical recentering if the lens elements are knocked out of alignment by a heavy blow during shipping or use. Removing the dew shield will give you access to the lens centering screws in the sides of the lens cell, which you can then adjust yourself by referring to the supplied instructions. You can also send your scope to Explore Scientific's Service Center for precision alignment. A standard service charge applies for factory realignment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCarbon fiber body:\u003c\/strong\u003e The body and dew shield of the 152mm Explore Scientific are made of woven carbon fiber fabric, encapsulated in epoxy. Carbon fiber, the same material used to fabricate much of the fuselage and wings of the new Boeing 787 Dreamliner passenger jet, has a high strength-to-weight ratio to keep the scope almost 20% lighter than comparable aperture aluminum-body scopes. In addition, it has low thermal expansion characteristics when subjected to temperature variations. This helps to keep the instrument sharply focused as the ambient temperature changes, which is particularly important during critical long-exposure CCD imaging.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDew shield:\u003c\/strong\u003e The supplied removable carbon fiber dew shield slows the formation of dew on the lens in cold weather to extend your undisturbed observing time. It also improves the contrast, similar to the effect of the lens shade on a camera lens, when there is excessive ambient light at night, such as a neighbor's backyard security light. A slip-on metal dust cap for the dew shield is standard.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual speed 2.5\" HEX rack-and-pinion focuser:\u003c\/strong\u003e This version of the ES152CF uses a heavy-duty 2.5\" rack-and-pinion focuser from JOC (Junghua Optical Company, the parent company of Explore Scientific). This 2.5\" JOC has dual-speed focusing. There are two coarse focusing knobs. The right knob also has a smaller concentric knob with a 10:1 fine focusing ratio. This provides very precise image control during high magnification visual observing and critical DSLR or CCD imaging. The large focus knobs have ribbed gripping surfaces so they are easy to operate, even while wearing gloves or mittens in cold weather.\u003c\/p\u003e\n\u003cp\u003eThe focuser can be rotated 360° for the best photographic composition without affecting the focus, which is locked in place with a large brass knob on the top of the focuser. Three large brass knobs lock the focuser at any desired rotational orientation. The focuser drawtube has a scale marked on both sides in centimeters and 1mm increments. This lets you note individual focuser positions for easy return to the correct focus when switching between visual use and photography. A knob underneath the focuser lets you adjust the tension on the built-in drawtube brake to accommodate varying eyepiece\/photo accessory loads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2\" dielectric star diagonal and compression ring eyepiece holders:\u003c\/strong\u003e The supplied standard equipment 2\" mirror star diagonal of the ES152CF slips into the 2.5\" focuser drawtube. The 2\" diagonal has 99% reflectivity dielectric mirror coatings for high light transmission. The star diagonal uses a non-marring soft brass compression ring to hold 2\" eyepieces in place. The compression ring won't scratch the barrel of your 2\" eyepieces as an ordinary thumbscrew can. A supplied 1.25\" accessory adapter slips into the 2\" diagonal to let you use 1.25\" eyepieces in the 2\" diagonal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMounting rings and dovetail:\u003c\/strong\u003e The ES152CF has dual split mounting rings mounted on a Losmandy-style \"D-plate\" dovetail that fits the Losmandy-style dovetail slot on the head of many of the most popular heavy duty German equatorial mounts. Such mounts include the Celestron CGEM DX and CGE Pro, the iOptron iEQ45, the Losmandy G11 and HGM Titan, and the Software Bisque Paramount MX go-to equatorial mounts, among others. A spacer\/stabilizing bar on the top of the rings provides a carrying handle that makes it easy to transport the optical tube and install it on your equatorial mount.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExtended lifetime warranty:\u003c\/strong\u003e This individually serial numbered Explore Scientific telescope is backed by a limited one year warranty, which will be extended to an Explore Scientific transferable lifetime limited warranty when its warranty card is registered with Explore Scientific within 60 days of purchase. \u003c\/p\u003e\n\u003ch2\u003eTech Details:\u003c\/h2\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBinary and Star Cluster Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGreat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1216\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGalaxy and Nebula Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e304x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLunar Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGreat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e21 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlanetary Observation\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGreat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e0.76 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e13.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1 year, extendable to lifetime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":40481977434185,"sku":"ES152C3","price":3999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/vwb_1800x1800_f0fe874b-a156-45f3-8623-529931defbfe.jpg?v=1722009416"},{"product_id":"astro-tech-at80edt-f-6-ed-triplet-refractor-ota","title":"Astro-Tech AT80EDT f\/6 ED Triplet Refractor OTA","description":"\u003cp\u003eFor the backyard grab-and-go observer, for the Milky Way star field scanner, for the wide field imager, for the birder and terrestrial photographer the Astro-Tech AT80EDT 80mm f\/6 ED triplet apo is the Swiss Army knife of refractors.\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003cp\u003eIn 2024 we looked at the landscape of refractors and decided that somethings might need some improvements.  Optically the Astro-Tech EDT still provided what astronomers have come to love about our refractors...performance and value.  We just felt that some mechanical upgrades would be a welcome addition to them.  For the 80EDT it meant visiting the focuser, rings, and internal baffles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Astro-Tech AT80EDT has:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e80mm f\/6 fully multicoated triplet apochromatic optics using an FK-61 ED center element \u003c\/li\u003e\n\u003cli\u003ea dual-speed 2.8\" CNC rotatable rack-and-pinion focuser with 10:1 ratio fine focuser \u003c\/li\u003e\n\u003cli\u003ean upgraded camera angle adjuster\u003c\/li\u003e\n\u003cli\u003edurable nylon soft carry case \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eretractable lens shade\/dew shield\u003c\/li\u003e\n\u003cli\u003edual hinged split tube rings\u003c\/li\u003e\n\u003cli\u003e a Vixen-style dovetail\u003c\/li\u003e\n\u003cli\u003edual vixen finder shoes on the focuser body\u003c\/li\u003e\n\u003cli\u003ea top mounted handle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor grab-and-go observing, Milky Way star field sweeping, and wide field astrophotography (as well an terrestrial observing and photography), many observers swear by a good fast focal ratio 80mm refractor. The 6.5 pound 80mm f\/6 Astro-Tech AT80EDT ED triplet apo refractor is just that scope. It does it all.\u003c\/p\u003e\n\u003cp\u003eThe Astro-Tech AT80EDT's slow-polished triplet optics, FK-61 ED glass center element, and state-of-the-art optical multicoatings are even more impressive when you consider the package they come in. The finely-machined scope has a dual-speed 2.8\" rack-and-pinion focuser with a microfine 10:1 fine-focusing ratio. A built-in camera angle adjuster lets you fine-tune the composition of your astrophotos and the orientation of your equipment. The supplied 2\" and 1.25\" eyepiece holders use non-marring compression rings that won't scratch your eyepiece barrels. It even comes with a finder shoe, tube rings, and a dovetail plate.\u003c\/p\u003e\n\u003cp\u003eThis feature-laden 80mm Astro-Tech AT80EDT ED triplet apochromatic refractor offers exceptional optical and mechanical performance and features at a very reasonable price. It will do just about anything you want to do with a truly portable scope. Let it into your telescope family and you may never want to let it go.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures of this Telescope . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eED apochromatic triplet refractor optics: \u003c\/strong\u003e80mm (3.15\") aperture, 480mm focal length, f\/6 focal ratio. It uses an ED (Extra-low Dispersion glass) center element to reduce spurious color halos and fringing to vanishingly low levels. All three lens elements are slow-polished for smooth surfaces, with less scattered light.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFully multicoated optics: \u003c\/strong\u003eThe triplet objective lens has the latest state-of-the-art antireflection multicoatings on all air-to-glass surfaces for high light transmission and excellent contrast. This can easily be seen by looking into the objective lens of the scope. Virtually no reflection of your face will be seen. It's a sure sign that the high transmission coatings are doing their job, by letting virtually all the light enter the scope, rather than reflecting some light back to your eye.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInternal light baffles:\u003c\/strong\u003e Contrast-enhancing knife-edge light baffles in the 90mm diameter optical tube provide truly dark sky backgrounds and high terrestrial contrast. The edges of the lenses are blackened to reduce internal reflections and further improve image contrast.  When we went with the new 2.8\" CNC focuser in late 2024 we improved the baffle design as well.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDew shield:\u003c\/strong\u003e A self-storing retractable dew shield slows the formation of dew on the lens in cold weather to extend your undisturbed observing time. It also improves the contrast, similar to the effect of the lens shade on a camera lens, when observing during the day or when there is excessive ambient light at night, such as from a neighbor's backyard security light.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual speed 2.8\" rotating rack-and-pinion focuser:\u003c\/strong\u003e The precision-made CNC focuser has dual-speed focusing. There are two coarse focusing knobs. The right knob also has a smaller concentric knob with a 10:1 reduction gear microfine focusing ratio. This provides exceptionally precise image control during high magnification visual observing and critical CCD imaging.\u003c\/p\u003e\n\u003cp\u003eThe focus knobs have ribbed gripping surfaces so they are easy to operate, even while wearing gloves or mittens in cold weather. The focuser drawtube has 75mm of travel and a millimeter scale on the drawtube to let you return to an approximate focus when switching between visual and photographic setups. A lock knob under the focuser lets you lock in your photographic focus.\u003c\/p\u003e\n\u003cp\u003eThe focuser also comes with two vixen style finder shoes attached to the focuser body as standard equipment.  This will allow you to mount a vixen finder bracket or any accessory that uses a vixen style finder bracket.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompression ring eyepiece holders:\u003c\/strong\u003e The focuser's 2.5\" drawtube terminates in a 2\" eyepiece holder that uses a non-marring compression ring to hold the standard equipment 2\" star diagonal and\/or accessories in place. The compression ring won't scratch the barrel of your star diagonal and accessories as an ordinary thumbscrew can.\u003c\/p\u003e\n\u003cp\u003eA supplied 1.25\" accessory adapter slips into the 2\" eyepiece holder to let you use a 1.25\" star diagonal, image erecting diagonal, or photographic accessories. Like the 2\" eyepiece holder, the 1.25\" adapter also uses a non-marring compression ring to hold 1.25\" star diagonals and accessories in place.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt-in camera angle adjuster:\u003c\/strong\u003e The focuser drawtube's 2\" eyepiece\/accessory holder includes a built-in camera angle adjuster that lets you quickly adjust the angle of your camera for the best composition or to put the star diagonal at the most comfortable observing angle. A knob on the 2\" eyepiece\/accessory holder lets you unlock the camera angle adjuster, rotate it to the desired final angle, then lock it in place at whatever angle is most convenient for you. This camera angle adjuster is standard equipment, not an optional extra-cost accessory, as it is with some other scopes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOptical tube:\u003c\/strong\u003e The very compact 15\" long optical tube and focuser (17\" long with lens shade extended) are finished in a durable white finish, with grey trim. There is a finderscope mounting shoe that accepts Vixen-style finderscope mounting brackets. The shoe can be mounted on either the top left or top right side of the focuser body. A slip-on metal dust cap is standard, as is a dust seal for the eyepiece holder.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTube rings and dovetail:\u003c\/strong\u003e Dual split hinged tube rings are supplied for the 90mm o. d. optical tube. The rings are lined with white felt that will not stain the white finish of the scope over time, unlike the black felt supplied with other scopes. A 5.4\" long Vixen-style dovetail is bolted to the tube rings. Optional Losmandy-style D-plate dovetails are available if your mount uses a wider Losmandy-style saddle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCarry handle:  \u003c\/strong\u003eThe AT80EDT also comes with a top mounted carry handle to make mounting and moving your telescope a breeze. The handle will also allow vixen style DVAs to mount to it so accessories can be added directly to the top.\u003c\/p\u003e\n\u003ch2\u003eTech Details:\u003c\/h2\u003e\n\u003ctable style=\"max-width: 500px;\" id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e80mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003e\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e480mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003e\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e160x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003e\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5.5 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003e\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.45 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1 year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Astro-Tech","offers":[{"title":"Default Title","offer_id":40481978318921,"sku":"AT80EDT","price":999.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/files\/AT80EDT_1-9533.jpg?v=1731697622"},{"product_id":"astro-tech-at115edt-f-7-ed-triplet-refractor-ota","title":"Astro-Tech AT115EDT f\/7 ED Triplet Refractor OTA","description":"\u003cp\u003eThere's a moment in every refractor owner's life when the view snaps into focus and the background goes black — truly black, the way only a well-corrected triplet delivers it — and whatever you're looking at just hangs there in space, pinpoint and still, with a clarity that makes you forget you're looking through glass at all. The AT115EDT is a 115mm f\/7 ED triplet that exists to deliver that moment, night after night, without costing what a premium APO costs. It won't do everything. It won't hunt down magnitude-14 galaxies or replace a 12-inch Dob for faint fuzzies. But for planets, the Moon, double stars, bright deep-sky, and serious astrophotography, it does what refractors do better than any other optical design — and at 115mm, it gathers over 27% more light than the 102mm refractors it often sits next to on the shelf.\u003c\/p\u003e\n\u003ch3\u003eThe Optics\u003c\/h3\u003e\n\u003cp\u003eTriplet apochromatic with an FK-61 ED center element — that's Schott's FPL-51 equivalent, slow-polished for smooth surfaces and low scattered light. Three lens elements, fully multicoated on all air-to-glass surfaces. The result is what refractor people are actually paying for: high contrast, pinpoint stars, and virtually no chromatic aberration at the focal plane. At 805mm focal length and f\/7, the AT115EDT is fast enough for efficient imaging but slow enough to be forgiving on eyepiece quality. The internal light baffles are knife-edge design, and the lens edges are blackened — both details that contribute to the deep, dark sky backgrounds this scope is known for.  Ed Ting's review on Cloudy Nights noted the AT115EDT delivered excellent views of planets, the Moon, and double stars — and called it a strong recommendation. \u003c\/p\u003e\n\u003ch3\u003eThe Focuser\u003c\/h3\u003e\n\u003cp\u003eThis is where the AT115EDT quietly separates itself from competitors in its price class. The 3.2\" dual-speed rack-and-pinion focuser has two coarse focusing knobs and a concentric 10:1 fine-focus microknob. Ninety-five millimeters of travel with a millimeter scale on the drawtube for repeatable photographic focus. A lock knob underneath holds your position. One Cloudy Nights member tested the focuser by loading a 2\" diagonal, a 28mm UWA eyepiece, and an actual brick onto the drawtube — 8.2 pounds total. He could position the focuser anywhere and it held, with the fine-focus knob still raising and lowering the load with precision. You will not need to do this. But knowing you could says something about the mechanical quality.\u003c\/p\u003e\n\u003cp\u003eThe focuser rotates a full 360° for camera framing — loosen the knob on top, rotate to your desired angle, tighten. The 2\" eyepiece holder includes a built-in camera angle adjuster for fine compositional tweaks without disturbing the heavier focuser body. Both 2\" and 1.25\" holders use compression rings, not thumbscrews, so your eyepiece and diagonal barrels stay unmarred. These are features that show up on scopes costing significantly more. On the AT115EDT, they're standard.\u003c\/p\u003e\n\u003ch3\u003eThe Tube and Rings\u003c\/h3\u003e\n\u003cp\u003eThe 114mm diameter optical tube is finished in white with grey anodized trim — clean, professional, durable. At 27.25\" long (32.4\" with the retractable dew shield extended), it's compact enough for travel and short enough to balance well on a mid-weight equatorial mount. Total weight with rings, handle, and Losmandy dovetail: 15.25 pounds. \u003c\/p\u003e\n\u003cp\u003eThe dual split hinged CNC tube rings are lined with white felt (not black, which can stain white tubes over time). A Losmandy-style dovetail bolts to the rings with a carry handle on top. Two Vixen-style finderscope shoes are mounted on the tube. A slip-on metal dust cap protects the objective, and a dust seal covers the eyepiece holder. The scope also has full collimation capability — three pairs of collimation screws sit under the silver collar at the back of the dew shield.\u003c\/p\u003e\n\u003ch3\u003eAstrophotography\u003c\/h3\u003e\n\u003cp\u003eAt f\/7 with 805mm of focal length, the AT115EDT is a serious imaging platform. The focal ratio is fast enough for reasonable exposure times on deep-sky targets but slow enough that stars stay tight across the field without a corrector for visual work. For imaging, pair it with the dedicated 0.8x reducer\/flattener to drop to f\/5.6 and 644mm — a faster, wider-field imaging configuration with a flat, corrected field across APS-C and full-frame sensors. A 1x field flattener is also available for full focal length imaging with flat stars to the corners.\u003c\/p\u003e\n\u003cp\u003eThe camera angle adjuster, compression rings, and rotatable focuser make photographic setup faster and more precise than scopes that lack these features. The focuser's 95mm of travel accommodates virtually any diagonal, camera, and accessory combination without running out of in-focus or needing extension tubes — a versatility that owners consistently praise.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAstro-Tech AT115EDT 115mm f\/7 ED triplet refractor OTA\u003c\/li\u003e\n\u003cli\u003eDual split hinged CNC tube rings with white felt lining\u003c\/li\u003e\n\u003cli\u003eLosmandy-style dovetail plate with carry handle\u003c\/li\u003e\n\u003cli\u003e2\" eyepiece holder with compression ring and camera angle adjuster\u003c\/li\u003e\n\u003cli\u003e1.25\" adapter with compression ring\u003c\/li\u003e\n\u003cli\u003eRetractable dew shield\u003c\/li\u003e\n\u003cli\u003eMetal dust cap and eyepiece holder dust seal\u003c\/li\u003e\n\u003cli\u003eSoft-sided heavy-duty nylon carry case with foam cutouts for 7 accessories\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e115mm (4.53\") FK-61 ED triplet optics\u003c\/strong\u003e — Over 27% more light-gathering than a 102mm refractor. Slow-polished triplet with fully multicoated surfaces for high contrast, pinpoint stars, and minimal chromatic aberration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.2\" dual-speed rack-and-pinion focuser\u003c\/strong\u003e — 10:1 fine-focus ratio, 75mm travel, mm scale, lock knob. Proven to hold 8+ pounds without slipping. The mechanical heart of the telescope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e360° rotatable focuser\u003c\/strong\u003e — Frame your camera or position your diagonal at any angle without moving the scope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in camera angle adjuster\u003c\/strong\u003e — Fine-tune composition without disturbing the focuser. Standard equipment, not an optional extra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression ring eyepiece holders\u003c\/strong\u003e — 2\" and 1.25\". No thumbscrews to mar your eyepiece or diagonal barrels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKnife-edge internal baffles\u003c\/strong\u003e — Deep contrast and dark sky backgrounds. Blackened lens edges reduce internal scatter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetractable dew shield\u003c\/strong\u003e — Slows dew formation and shields the objective from ambient light. Stores flat against the tube for transport.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLosmandy dovetail and CNC tube rings\u003c\/strong\u003e — White felt lined rings, carry handle. Ready for Losmandy and compatible saddles out of the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoft carry case with accessory storage\u003c\/strong\u003e — Heavy-duty nylon case with paper pockets and foam cutouts for 7 accessories. Everything travels in one bag.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull collimation capability\u003c\/strong\u003e — Three pairs of collimation screws under the dew shield collar. You'll probably never need them, but they're there.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUnder the Night Sky\u003c\/h3\u003e\n\u003cp\u003eJupiter at 160x (5mm eyepiece) in the AT115EDT shows the two main equatorial belts with festoons, barges, and the Great Red Spot as a definite salmon-colored oval — not just a smudge, but a feature with shape and internal structure on a steady night. Push to 200x on the best evenings and the belts begin to show scalloping and rifts. Four or five belts become visible at the limits of the seeing. The Galilean moons show disks, not points. The contrast of a well-corrected triplet makes the difference here — the belts are sharply defined against the zones, with none of the scattered light that softens the view in lesser optics.\u003c\/p\u003e\n\u003cp\u003eSaturn at 160x shows Cassini's Division as a clean dark gap, not a thin line. The shadow of the globe on the rings is crisp. The crepe ring is visible against the globe on transparent nights. Titan is obvious; two or three fainter moons show up with averted vision.\u003c\/p\u003e\n\u003cp\u003eThe Moon is where refractors earn their keep, and the AT115EDT delivers. At 200x, the terminator is alive with shadow detail — crater walls catching the first light, rilles threading across mare floors, the Straight Wall casting its knife-edge shadow. You're seeing the kind of sharpness and contrast that made refractors the instrument of choice for lunar and planetary observers for four centuries.\u003c\/p\u003e\n\u003cp\u003eDouble stars are a refractor specialty. Albireo splits into gold and blue at any magnification. Epsilon Lyrae — the Double Double — cleanly resolves all four components at 200x. At 1.01 arc seconds of resolution, the AT115EDT handles tight pairs that would challenge many 4-inch scopes.\u003c\/p\u003e\n\u003cp\u003eDeep-sky is real but bounded by aperture. The Ring Nebula (M57) shows its annular shape clearly. M13 resolves to individual stars across the face. The Andromeda Galaxy stretches across the field at low power with dark lanes visible on a good night. The Double Cluster in Perseus is a showpiece — dozens of stars scattered across the field with a clarity that only a refractor delivers. What you won't get: the faintest galaxies, the dimmest planetary nebulae, the deep structure in large faint objects. For that, supplement with a larger reflector. The AT115EDT is not trying to be everything. It's trying to be excellent at what refractors do best.\u003c\/p\u003e\n\u003ch3\u003eCommunity Says\u003c\/h3\u003e\n\u003cp\u003e\"It's difficult for me to consider another refractor that offers this much value. I am completely satisfied with the image quality of this well-built refractor. But most importantly, this refractor compares extremely well to some of the supposedly, more expensive refractors that I have owned and used.\" This owner's video review of the AT115EDT has been followed by 111 replies and widespread agreement from the Cloudy Nights community. — \u003ca href=\"https:\/\/www.cloudynights.com\/forums\/topic\/768782-astro-tech-at115edt-review-the-telescope-that-punches-way-above-its-price-range\/?do=findComment\u0026amp;comment=11065796\"\u003eCloudy Nights AT115EDT review thread\u003c\/a\u003e. This owner has experience with multiple refractors at higher price points.\u003c\/p\u003e\n\u003cp\u003e\"I am an AT loyalist because of the fine refractors I have always gotten from them. Every review I have seen of the AT115 is very positive.\" This owner chose the AT115EDT over an Askar 120 APO — not just for the price, but because of long-term trust in the Astro-Tech line. — \u003ca href=\"https:\/\/www.cloudynights.com\/forums\/topic\/941765-pulled-the-trigger-on-an-at115edt\/?do=findComment\u0026amp;comment=13757331\"\u003eCloudy Nights AT115EDT discussion\u003c\/a\u003e. This owner is a returning Astro-Tech customer.\u003c\/p\u003e\n\u003ch3\u003eObserving Tip\u003c\/h3\u003e\n\u003cp\u003eThe AT115EDT's 15.25 pounds puts it right on the edge of what many mid-weight mounts can handle well. An HEQ5\/EQ5-class mount will carry it for visual observing, but for imaging — especially with a camera, guidescope, and accessories — you'll want an EQ6 or Losmandy G11 class mount for stability. Match the mount to the job: if you're visual-only, the lighter mount saves setup time and backache. If you're imaging, don't compromise on mount capacity. The scope deserves a steady platform.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does this compare to a 102mm ED refractor?\u003c\/strong\u003e\u003cbr\u003eThe AT115EDT gathers over 27% more light than a 102mm — that's a meaningful jump. You'll see fainter stars, resolve tighter doubles, and collect more signal in less time when imaging. At f\/7, the AT115EDT is also faster than most 102mm f\/7.8 or f\/8 doublets, which means shorter exposures for astrophotography. The dual-speed 3.2\" focuser, compression rings, and camera angle adjuster are features that many 102mm scopes at the same price don't include.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the FK-61 glass as good as FPL-53?\u003c\/strong\u003e\u003cbr\u003eDifferent, not lesser — for most uses. FK-61 (FPL-51 equivalent) in a triplet design provides excellent chromatic correction. You might see a faint violet halo on bright stars at high power that an FPL-53 or FCD-100 scope would eliminate. In imaging, it's a non-issue with narrowband or modern broadband filters. In visual use, most owners don't notice it under normal conditions. If absolute chromatic perfection is your priority, look at the AT150EDL (FCD-100 glass) or the AT72EDII (FPL-53 glass, smaller aperture). For the vast majority of observers, the FK-61 triplet gives you more aperture for your money — and more aperture means more resolution, more light, and more capability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat mount do I need?\u003c\/strong\u003e\u003cbr\u003eFor visual observing: an HEQ5-class equatorial mount or a solid alt-az mount handles the AT115EDT well. Total payload with diagonal and eyepiece is around 17 pounds. For astrophotography: step up to an EQ6 or Losmandy G11 class mount to get the stability you need for guided long exposures. The Losmandy dovetail is included, so you're ready for Losmandy-compatible saddles out of the box.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat do I need for astrophotography with this scope?\u003c\/strong\u003e\u003cbr\u003eAt minimum: the scope, a sturdy equatorial mount with tracking, a camera (DSLR\/mirrorless or dedicated astronomy camera), and a field flattener or reducer\/flattener. The AT115EDT's 0.8x reducer\/flattener takes you to f\/5.6 and 644mm — faster and wider for deep-sky imaging. The 1x flattener keeps you at f\/7 and 805mm with flat stars to the corners. Dedicated CMOS and CCD astronomy cameras connect directly via 48mm T-threads; DSLR and mirrorless cameras need a T-ring for your specific mount (sold separately).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this OTA only? What else do I need?\u003c\/strong\u003e\u003cbr\u003eYes — no mount, eyepieces, diagonal, or finder are included. Plan on a 2\" star diagonal, a set of eyepieces (a 25mm for wide field, a 10mm for medium power, and a 4–5mm for planetary is a good starting trio), and a finderscope or red dot sight. If you're new to refractors, budget for the complete system. A telescope like the AT115EDT deserves quality accessories to match its optics.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it come with a case?\u003c\/strong\u003e\u003cbr\u003eYes — a soft-sided heavy-duty nylon carry case with paper pockets in the lid and foam cutouts for 7 accessories. The scope travels in one bag.\u003c\/p\u003e\n\u003ch3\u003eOptional Accessories\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAstro-Tech 2\" 99% Reflectivity Dielectric Mirror Diagonal\u003c\/strong\u003e — The companion diagonal for this scope. Dielectric coatings reflect more light than standard aluminum, and 2\" barrels handle the wider fields of view the AT115EDT can deliver.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAstro-Tech 0.8x Reducer\/Field Flattener for AT115EDT (Version II)\u003c\/strong\u003e — Drops the focal ratio to f\/5.6 and focal length to 644mm for faster, wider-field imaging with flat stars to the corners. Designed specifically for this scope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAstro-Tech 1x Field Flattener for AT115EDT\u003c\/strong\u003e — Full focal length, flat-field imaging at f\/7 and 805mm. For when you want the full reach of the telescope with corrected star shapes across the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAstro-Tech V3 0.8x Reducer\/Field Flattener for AT115EDT with 3.2\" Focuser\u003c\/strong\u003e — The latest version, optimized for the 3.2\" focuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAstro-Tech V3 1x Field Flattener for AT115EDT with 3.2\" Focuser\u003c\/strong\u003e — Full focal length flat field, V3 version for the 3.2\" focuser.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFinal Thoughts\u003c\/h3\u003e\n\u003cp\u003eThe AT115EDT is the refractor that Cloudy Nights members call \"the telescope that punches way above its price range\" — and after 56 reviews averaging 4.9 stars and an 846-reply owners thread that's still active four years in, the consensus is hard to argue with. It's 115mm of triplet APO with a focuser that holds a brick, optics that compare favorably to scopes at significantly higher prices, and a package of features — compression rings, camera angle adjuster, Losmandy dovetail, carry case — that most competitors charge extra for or skip entirely. It won't replace a 10-inch Dob for hunting the faintest deep-sky objects. It will show you planets, the Moon, double stars, and bright deep-sky with a clarity and contrast that no reflector at any price can match. If you've always wanted to know what the refractor fuss is about, this is where you find out.\u003c\/p\u003e\n\u003ch2\u003eTech Details:\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eAperture\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e115mm (4.53\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eFocal Length\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e805mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003ef\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eOptical Design\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eED triplet apochromatic (FK-61 center element)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eCoatings\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eFully multicoated on all air-to-glass surfaces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eHighest Useful Magnification\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e230x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eResolution\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e1.01 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eVisual Limiting Magnitude\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e12.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eFocuser\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eDual-speed 3.2\" rack-and-pinion, 10:1 fine focus, 95mm travel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eFocuser Rotation\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e360° rotatable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eCamera Angle Adjuster\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eBuilt-in (standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eEyepiece Holders\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e2\" and 1.25\" with compression rings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eTube Diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e114mm OD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eTube Length\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e27.25\" (32.4\" with dew shield extended)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e15.25 lbs (OTA, rings, handle, Losmandy dovetail)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eDovetail\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eLosmandy style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eTube Rings\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eDual split hinged CNC, white felt lined\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eFinder Shoes\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eTwo Vixen-style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eCarry Case\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eSoft-sided heavy-duty nylon with foam accessory cutouts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e1 year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Astro-Tech","offers":[{"title":"Default Title","offer_id":40481978351689,"sku":"AT115EDT","price":1199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/files\/AT115EDT_1-9463.jpg?v=1731697778"},{"product_id":"astro-tech-at130-edt-f-7-ed-triplet-ota","title":"Astro-Tech AT130 EDT f\/7 ED Triplet OTA","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eFive inches of ED triplet aperture is where a refractor stops feeling small. The AT130EDT combines a 130mm f\/7 triplet objective, a heavy-duty 3.2-inch rack-and-pinion focuser, and a mechanical package built for serious visual observing and astrophotography. It's large enough to resolve fine planetary detail, gather meaningful light from distant galaxies, and support full imaging trains without compromise.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe AT130EDT has earned its reputation through years of use by visual observers and astrophotographers alike. The optical design, focuser, and mechanical package work together as a complete system, making it one of the most versatile refractors Astro-Tech has ever offered.\u003c\/p\u003e\n\u003ch3\u003eThe Optical Design\u003c\/h3\u003e\n\u003cp\u003eThe AT130EDT is a three-element FK-61 ED triplet. The front objective is an apochromatic triplet with one ED (Extra Dispersed) element for color correction. All surfaces carry fully multicoated antireflection coatings, optimized for the specific glass types. The interior has multiple knife-edge baffles plus micro baffles in the drawtube, and the lens edges are blackened to control stray light. \u003cmeta charset=\"utf-8\"\u003eFK-61 is generally considered comparable in performance to Ohara FPL-51 when used in similar optical designs.\u003c\/p\u003e\n\u003cp\u003eThe mechanical assembly inside the tube is tight. FK-61 expansion from ambient temperature change is controlled by a precision cell that maintains optical alignment. The objective is sealed — dust, moisture, and temperature swings don't degrade performance over time. In the field, a 130mm triplet needs cool-down time like any refractor, but the thermal mass is manageable — expect 30 to 45 minutes before optics stabilize on a cool night. \u003cmeta charset=\"utf-8\"\u003eLike most 130mm triplets, the AT130EDT benefits from 30–45 minutes of thermal stabilization when moving from a warm environment into significantly cooler night air. The scope rewards both.\u003c\/p\u003e\n\u003ch3\u003eThe 3.2\" Rack-and-Pinion Focuser\u003c\/h3\u003e\n\u003cp\u003eThe AT130EDT focuser is a 3.2-inch (81mm) dual-speed rack-and-pinion mechanism with a concentric 10:1 fine-focus knob — the coarse knob and the fine knob are concentric on the same axis, so you can move between coarse and fine without moving your hand. Travel is smooth and repeatable across the full 85mm range. The drawtube itself is marked in millimeter increments for recording focus positions and for matching backfocus on cameras.\u003c\/p\u003e\n\u003cp\u003eThe focuser's 3.2-inch drawtube accepts a large variety of connection systems and handles heavy imaging loads without flexure or image shift. The current production focuser terminates in M92 threads, which connect directly to the AT130EDTRFv3 reducer\/flattener or to a T-ring for standard DSLR\/mirrorless camera work. Older AT130EDT models (pre-2023) used a 2.5-inch focuser with M63 threads — if you're matching a reducer to an older scope, you need the ATREDT30V2, not the newer v3. The two are not interchangeable.\u003c\/p\u003e\n\u003cp\u003eBuilt into the focuser is a camera angle adjuster — a rotating collar that lets you frame your target in landscape, portrait, or any angle between without disassembling the imaging train. A large locking knob keeps rotation steady. This is the feature that saves imaging sessions on nights when framing matters or when you're working in tight spaces with multiple cameras on a multi-scope setup.\u003c\/p\u003e\n\u003ch3\u003eBuilt for the Field\u003c\/h3\u003e\n\u003cp\u003eThe AT130EDT weighs 18.5 pounds with the optical tube and its internal cell, plus mounting rings. With dovetail and carry handle, you're moving about 22 pounds — heavy enough to be a serious optical system, light enough that a single person carries it without strain from car to telescope pad. The scope is 27.5 inches long retracted, and 31 inches with the dew shield extended. \u003c\/p\u003e\n\u003cp\u003eThe mounting system is built to match. Hinged split tube rings with felt linings let you remove and reposition the scope without tools — a practical advantage for equipment swaps or for repositioning the tube during a long session to reach targets at difficult azimuths. The Losmandy-style dovetail plate is rigid and well-indexed, and it's compatible with most saddle plates in that size class. The carry handle has multiple functions: you lift the scope with it, you store accessories and eyepieces in it, and you can mount a guide scope or off-axis guider to it.\u003c\/p\u003e\n\u003cp\u003eThe retractable dew shield extends 4 inches from the objective cell and stores flush against the tube when retracted. In humid conditions, it's a genuine advantage — dew control is easier, and the shield also reduces stray light from overhead sources. For transport, it stows into less than 2 inches of additional length.\u003c\/p\u003e\n\u003cp\u003eThe included nylon carrying case is a first-class protection layer for the optics tube. It's designed with padding on the interior, latches that hold firm, and handles for single-person carry. From backyard to dark sky site, this case has earned its place in the box.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAstro-Tech AT130EDT 130mm f\/7 FK-61 ED triplet refractor OTA\u003c\/li\u003e\n\u003cli\u003eHinged split tube rings (felt-lined) with Losmandy-style dovetail plate\u003c\/li\u003e\n\u003cli\u003eCarry handle with mounting points for accessories\u003c\/li\u003e\n\u003cli\u003e2\" accessory holder with non-marring brass compression ring\u003c\/li\u003e\n\u003cli\u003e1.25\" accessory adapter with non-marring brass compression ring\u003c\/li\u003e\n\u003cli\u003eRetractable self-storing dew shield\u003c\/li\u003e\n\u003cli\u003eNylon carrying case\u003c\/li\u003e\n\u003cli\u003eSlip-on metal dust cap\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e130mm f\/7 FK-61 ED triplet with three-element design.\u003c\/strong\u003e Apochromatic triplet correction brings all three primary colors to the focal plane, eliminating false color. FK-61 is a Schott glass equivalent to FPL-51 — not FPL-53, but proven excellent in triplet configurations. All surfaces fully multicoated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e910mm focal length — long enough for planetary and galaxy detail, wide enough for moderate deep-sky framing.\u003c\/strong\u003e At 910mm on a full-frame or APS-C sensor, you frame the Orion Nebula complex or a single large galaxy in landscape orientation. Add the dedicated reducer and open to roughly 1.8× wider field at f\/5.6.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.2\" dual-speed rack-and-pinion focuser with 10:1 fine focus and camera angle adjuster.\u003c\/strong\u003e The largest focuser in the EDT line handles heavy imaging trains without flexure. Drawtube rotation lets you frame targets in any orientation. M92 threads (current production) connect directly to the reducer\/flattener or T-ring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple knife-edge baffles plus micro baffles in the drawtube for stray-light suppression.\u003c\/strong\u003e Dark tube interior, blackened lens edges, and rigorous internal design deliver high-contrast views on planets and nebulae.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHinged split tube rings with Losmandy-style dovetail and carry handle.\u003c\/strong\u003e Mount or unmount the scope without tools. Rigid enough for serious imaging work. Practical enough for backyards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetractable dew shield with self-storing design.\u003c\/strong\u003e Extends 4 inches for dew protection and stray-light control in humid conditions. Retracts to minimal footprint for transport.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNylon carrying case included.\u003c\/strong\u003e Padded protection for transport and storage. Single-person carry from the equipment shed to the dark sky site.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhite tube with Aston Martin Grey focuser and trim.\u003c\/strong\u003e Clean, professional finish that photographs well and reduces glint when imaging in twilight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with dedicated reducer\/flattener options.\u003c\/strong\u003e Pair with the AT130EDTRFv3 (M92 threads, current) or ATREDT30V2 (M63 threads, older models) to drop from 910mm f\/7 to 728mm f\/5.6. Also available: AT130EDTFFv3 1× field flattener for flatness optimization in full-frame imaging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUnder the Night Sky\u003c\/h3\u003e\n\u003cp\u003e130mm of aperture in a well-corrected triplet is a working aperture — big enough to see fine detail, small enough to go places. The Dawes diffraction limit is 0.89 arc seconds. The visual limiting magnitude is 13.2. In good conditions at a reasonably dark site, you're finding galaxies that challenge smaller scopes and planets that reward high magnification.\u003c\/p\u003e\n\u003cp\u003eOn the Moon, the AT130EDT shows terraced crater walls, central peaks, and fine rille structure across the entire disc. The terminator reveals texture — Copernicus at 150× shows its terraced ramparts clearly, the Straight Wall is a clean shadow line, and Aristarchus glows like a torch. The lack of false color means the Moon stays crisp and bright-looking even at high power. A 4mm eyepiece at 228× on the Moon is a memorable session — planetary detail you don't forget.\u003c\/p\u003e\n\u003cp\u003ePlanets respond well to 130mm of aperture in this focal ratio. Mars shows polar caps, surface markings, and subtle cloud structure when the opposition position is favorable. Jupiter's Great Red Spot is prominent, and the Cassini Division on Saturn is visible at moderate power under decent seeing. \u003cmeta charset=\"utf-8\"\u003eVenus displays clean crescent phases with excellent color correction. The triplet design keeps the disc contrast high — no magenta or cyan haloes diluting the view.\u003c\/p\u003e\n\u003cp\u003eDouble stars separate cleanly. At 0.89 arc seconds, the AT130EDT splits tight optical pairs that smaller scopes need dark adaptation or averted vision to resolve. Castor resolves at moderate power (5.6 arc seconds). Epsilon Lyrae separates at 150×. Rigel shows its 7th-magnitude companion 9.4 arc seconds away — a test of true contrast, not just resolution. Albireo at low power is a striking color-contrast pair with no false color to mar the view.\u003c\/p\u003e\n\u003cp\u003eDeep sky through a triplet refractor is a different experience than through a reflector or a doublet. The flat field and the high contrast from the triplet design mean you see nebulae with good definition and clusters with sharp stars to the edge of the field. M42 (Orion Nebula) shows fine internal structure — not just the main nebular cloud, but the Running Man nebulosity and the background emission. The Rosette Nebula appears as a full ring structure at low power on dark nights. M31 (Andromeda) spans an impressive width, with dust lane detail visible in good conditions. Messier open clusters — M13, M35, M36, M37, M38 — pop with detail. The lack of a central obstruction means stars appear as clean points rather than diffraction-ring-crossed discs.\u003c\/p\u003e\n\u003ch3\u003eCommunity Says\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\"The AT130EDT has been my workhorse for two years. Serious planetary detail, excellent for galaxies, and the build quality feels like it will outlast me.\"\u003c\/strong\u003e\u003cbr\u003eThis owner paired the scope with a ZWO AM5 mount and has logged over 150 hours split between visual observing sessions and astrophotography nights on deep-sky targets. The user flagged the 3.2-inch focuser as a deciding factor for handling heavy camera and filter-wheel combinations without flex.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\"For the price, this is the scope that keeps winning. I've compared it to much more expensive triplets and the optics hold their ground. Cool-down takes time, but you plan for it and forget about it.\"\u003c\/strong\u003e\u003cbr\u003eThis owner uses the AT130EDT for both planetary imaging and visual observation, and notes that the triplet color correction on high-magnification planetary work is cleaner than what they'd expected at the price point. The user specifically praised the mechanical rigidity under heavier imaging loads.\u003c\/p\u003e\n\u003ch3\u003eObserving Tip\u003c\/h3\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eWhile the AT130EDT is fully capable of high-magnification planetary observing, many owners discover its greatest strength is versatility. Spend the early part of an evening exploring large nebulae and open clusters at lower power, then move to planets, double stars, and globular clusters as the telescope reaches thermal equilibrium. A 130mm triplet rewards observers who use the full range of what the aperture can offer.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the AT130EDT compare to the AT125EDL doublet?\u003c\/strong\u003e\u003cbr\u003eDifferent design philosophies at similar apertures and focal length. The AT130EDT is a 130mm f\/7 FK-61 triplet with a 3.2-inch focuser and Losmandy dovetail. The AT125EDL is a 125mm f\/7.8 FCD-100 (premium glass) doublet with a 2.5-inch focuser and Vixen dovetail. The triplet design has one advantage in color correction — all three primary colors are brought into coincidence at the focal plane, which shows as crisper contrast on planets. The doublet at FCD-100 quality has a smaller thermal mass and cools faster (25-30 minutes vs. 35-45 minutes for the triplet). The triplet has more aperture and a larger focuser for heavier imaging trains. The doublet has more premium glass and fits lighter mounts. Both are excellent scopes. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich reducer or flattener do I need?\u003c\/strong\u003e\u003cbr\u003eIt depends on your focuser version. If your AT130EDT has the 3.2-inch focuser with M92 threads (current production, 2023 onward), you need the AT130EDTRFv3 reducer\/flattener. If you have an older AT130EDT with the 2.5-inch focuser and M63 threads, you need the ATREDT30V2. They have different thread sizes and are not interchangeable. Check your focuser drawtube carefully — the thread size is marked. The field flattener option is the AT130EDTFFv3 (1×), which is a flattening optic only, not a focal-length changer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat mount does this scope need?\u003c\/strong\u003e\u003cbr\u003eThe AT130EDT at roughly 22 pounds (with rings and dovetail) needs a mount rated for at least 35 pounds of payload for astrophotography — you need headroom above the tube weight to handle cameras, off-axis guiders, filter wheels, and dew heaters without the mount straining. For visual use, an equatorial mount rated for 30+ pounds works well. The Losmandy dovetail suggests compatibility with heavy-duty mounts — a ZWO AM5, an iOptron CEM60, a Skywatcher HEQ6, or an older Losmandy mount in that weight class. A lighter mount will work for visual observation but will flex noticeably under a heavy imaging camera. Plan on a mount that is overkill for the visual package — you'll thank yourself when you load cameras.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this good for astrophotography?\u003c\/strong\u003e\u003cbr\u003eThe AT130EDT is one of the most popular imaging refractors in the Astro-Tech line — it shows up regularly in astrophotography forums and imaging equipment discussions because it delivers. The 3.2-inch focuser handles heavy camera systems without flexure. The rotatable drawtube and camera angle adjuster simplify field rotation and framing. At 910mm f\/7 on a full-frame or APS-C sensor, you frame larger nebulae and galaxies well. With a reducer, you drop to 728mm f\/5.6 for faster exposures and a wider field. The triplet design is favorable for imaging — color correction is flat across the field, which means less post-processing correction needed. Pair it with a quality mount, a guide scope, and a good camera, and you have a capable imaging platform.\u003c\/p\u003e\n\u003ch3\u003eOptional Accessories\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAT130EDTRFv3 0.8× Reducer\/Flattener (M92 threads):\u003c\/strong\u003e Converts the AT130EDT from 910mm f\/7 to 728mm f\/5.6 with a corrected flat field. For current-production scopes with the 3.2-inch focuser. If you have an older AT130EDT with the 2.5-inch focuser, you need the ATREDT30V2 instead — they are not interchangeable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAT130EDTFFv3 1× Field Flattener:\u003c\/strong\u003e Maintains the native 910mm focal length while correcting field curvature for flat, sharp stars to the edges of your sensor. The right choice when you want the full image scale without reducing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAstro-Tech 2\" 99% Reflectivity Dielectric Mirror Diagonal:\u003c\/strong\u003e A quality diagonal matters at this level. Dielectric coating delivers near-total reflectivity — you won't lose light to the diagonal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAstro-Tech 13mm 100° Field Waterproof Eyepiece:\u003c\/strong\u003e At 910mm focal length, the 13mm delivers 70× with a 100° apparent field — a superb deep-sky eyepiece that frames the larger nebulae and clusters with walk-through-space immersion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFinal Thoughts\u003c\/h3\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe AT130EDT occupies one of the most desirable positions in the refractor world: enough aperture to be genuinely powerful, enough portability to travel easily, and enough mechanical capability to support serious astrophotography. That's why it continues to earn a loyal following among observers and imagers alike.\u003c\/p\u003e\n\u003ch2\u003eTech Details:\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; height: 1107.09px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: rgb(240, 244, 248); height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 19.5938px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 19.5938px;\"\u003eAstro-Tech AT130EDT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(255, 255, 255); height: 39.1875px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 39.1875px;\"\u003eOptical Design\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 39.1875px;\"\u003eED Triplet (3-element), fully multicoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(240, 244, 248); height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 19.5938px;\"\u003eAperture\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 19.5938px;\"\u003e130mm (5.1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(255, 255, 255); height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 19.5938px;\"\u003eFocal Length\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 19.5938px;\"\u003e910mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(240, 244, 248); height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 19.5938px;\"\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 19.5938px;\"\u003ef\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(255, 255, 255); height: 39.1875px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 39.1875px;\"\u003eGlass Type\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 39.1875px;\"\u003eFK-61 (Schott FPL-51 equivalent) — NOT FPL-53\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(240, 244, 248); height: 39.1875px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 39.1875px;\"\u003eCoatings\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 39.1875px;\"\u003eFully multicoated on all air-to-glass surfaces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(255, 255, 255); height: 58.7812px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 58.7812px;\"\u003eInternal Baffling\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 58.7812px;\"\u003eMultiple knife-edge baffles, micro baffles in drawtube, blackened lens edges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(240, 244, 248); height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 19.5938px;\"\u003eDawes Diffraction Limit\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 19.5938px;\"\u003e0.89 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(255, 255, 255); height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 19.5938px;\"\u003eVisual Limiting Magnitude\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 19.5938px;\"\u003e13.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(240, 244, 248); height: 39.1875px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 39.1875px;\"\u003eFocuser\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 39.1875px;\"\u003e3.2\" (81mm) dual-speed rack-and-pinion, 10:1 fine focus ratio\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(255, 255, 255); height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 19.5938px;\"\u003eFocuser Travel\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 19.5938px;\"\u003e85mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(240, 244, 248); height: 39.1875px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 39.1875px;\"\u003eFocuser Threads (Current)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 39.1875px;\"\u003eM92 (drawtube), connects to AT130EDTRFv3 reducer or T-ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(255, 255, 255); height: 58.7812px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 58.7812px;\"\u003eFocuser Threads (Older)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 58.7812px;\"\u003eM63 (pre-2023 models), connects to ATREDT30V2 reducer. NOT interchangeable with M92 models.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(240, 244, 248); height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 19.5938px;\"\u003eCamera Angle Adjuster\u003c\/td\u003e\n\u003ctd style=\"width: 50%; height: 19.5938px;\"\u003eBuilt-in, 360° rotation with locking knob\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(255, 255, 255); height: 39.1875px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 39.1875px;\"\u003eAccessory Holders\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 39.1875px;\"\u003e2\" and 1.25\" with non-marring brass compression rings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(240, 244, 248); height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 19.5938px;\"\u003eDew Shield\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 19.5938px;\"\u003eRetractable self-storing, extends 4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(255, 255, 255); height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 19.5938px;\"\u003eOTA Length (retracted)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 19.5938px;\"\u003e27.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(240, 244, 248); height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 19.5938px;\"\u003eOTA Length (dew shield extended)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 19.5938px;\"\u003e31\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(255, 255, 255); height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 19.5938px;\"\u003eOptical Tube Weight\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 19.5938px;\"\u003e18.5 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(240, 244, 248); height: 39.1875px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 39.1875px;\"\u003eTotal Weight (with rings, dovetail, handle)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 39.1875px;\"\u003e22 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(255, 255, 255); height: 39.1875px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 39.1875px;\"\u003eTube Finish\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 39.1875px;\"\u003eWhite anodize with Aston Martin Grey focuser and appointments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(240, 244, 248); height: 39.1875px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 39.1875px;\"\u003eMounting Rings\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 39.1875px;\"\u003eHinged split rings (felt-lined) with M6×1 mounting holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(255, 255, 255); height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 19.5938px;\"\u003eDovetail\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 19.5938px;\"\u003eLosmandy-style, rigid and well-indexed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(240, 244, 248); height: 39.1875px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 39.1875px;\"\u003eCompatible Reducer (current focuser)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 39.1875px;\"\u003eAT130EDTRFv3 with M92 threads → 728mm f\/5.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(255, 255, 255); height: 58.7812px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 58.7812px;\"\u003eCompatible Reducer (older focuser)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 58.7812px;\"\u003eATREDT30V2 with M63 threads → 728mm f\/5.6 (NOT interchangeable with v3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(240, 244, 248); height: 166.594px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 166.594px;\"\u003eField Flattener Option\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 166.594px;\"\u003eAT130EDTFFv3 (1× flattener only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(255, 255, 255); height: 39.1875px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 39.1875px;\"\u003eCool-Down Time (expected)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 39.1875px;\"\u003e35-45 minutes on a cool night for thermal equilibrium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(240, 244, 248); height: 39.1875px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 39.1875px;\"\u003eCarry Case\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 39.1875px;\"\u003eNylon with padding and latches, single-person carry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(255, 255, 255); height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 19.5938px;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 19.5938px;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(240, 244, 248); height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); font-weight: bold; width: 50%; height: 19.5938px;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid rgb(204, 204, 204); height: 19.5938px;\"\u003e1 year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Astro-Tech","offers":[{"title":"Default Title","offer_id":40481978384457,"sku":"AT130EDT","price":1649.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/files\/AT130EDT_1-9453_df05fdf3-cb5b-4394-88c5-c23fd6d403c6.jpg?v=1739225361"},{"product_id":"takahashi-fc-100dc-refractor","title":"Takahashi FC-100DC Refractor Optical Tube","description":"\u003cdiv\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eThe Takahashi FC-100D is Takahashi's latest update to the 100mm fluorite refractor.  The FC-100D uses the Steinheil design with the fluorite element in the rear and an eco-glass front element.  This apochromatic telescope provides outstanding views, both visually and with digital imaging hardware.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe FC-100D was designed to be light weight and highly portable. It is offered in two models: the ultra-portable DC visual model that weighs just 2.8kg [6.1lbs] and uses the 2.2\" FS-60CB focuser, and the DF model that uses the 2.7\" focuser and is designed for imaging as well as visual use.  In their standard configuration, each scope is a 740 mm f\/7.4 doublet.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eWith the optional 4 element FC-35 reducer, the DF version becomes a 485 mm f\/4.9 imaging telescope, providing a 44 mm imaging circle that is suitable for full frame CCD and DSLR cameras. \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e100mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e740mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/7.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeaviest Single Component\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e6.16 pounds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e6.16 pounds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e11.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Takahashi","offers":[{"title":"Default Title","offer_id":40481981562953,"sku":"FC100DC","price":2030.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/fc100dc.jpg?v=1675379411"},{"product_id":"takahashi-fc-100df-refractor-with-tube-holder-and-6x30-finder","title":"Takahashi FC-100DF Refractor OTA","description":"\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eThe Takahashi FC-100D is Takahashi's latest update to the 100mm fluorite refractor.  The FC-100D uses the Steinheil design with the fluorite element in the rear and an eco-glass front element.  This apochromatic telescope provides outstanding views, both visually and with digital imaging hardware.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe FC-100D was designed to be light weight and highly portable. It is offered in two models: the ultra-portable DC visual model that weighs just 2.8kg [6.1lbs] and uses the 2.2\" FS-60CB focuser, and the DF model that uses the 2.7\" focuser and is designed for imaging as well as visual use.  In their standard configuration, each scope is a 740 mm f\/7.4 doublet.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e100mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e740mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/7.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e6.6 pounds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e11.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Takahashi","offers":[{"title":"Default Title","offer_id":40481981595721,"sku":"FC100DF","price":2300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/tfk10010_1.jpg?v=1675379413"},{"product_id":"astro-tech-at102ed-4-f-7-ed-refractor-ota","title":"Astro-Tech AT102ED 4\" f\/7 ED Refractor OTA","description":"\u003cp\u003eFour inches of aperture changes what a refractor can do. It's the threshold where you stop seeing suggestions of detail and start seeing the detail itself — the shadow of Jupiter's globe on the rings of Saturn, individual stars resolved at the edges of globular clusters, double stars that smaller scopes can't separate. The AT102ED at 102mm f\/7 has the light grasp and focal length to do this with clean optics and solid mechanics, backed by 62 owner reviews that confirm it works in the field. \u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe current AT102ED combines a proven FK-61 ED optical design with upgraded mechanics, including a dual-speed rotatable focuser, split tube rings, and a Vixen-compatible dovetail. The FK-61 glass delivers color correction that's clean enough for serious planetary and deep-sky observing. You'll see a trace of false color on the brightest targets (Venus, the lunar limb at high magnification), but on everything else the color control is neutral and the image contrast is high.\u003c\/p\u003e\n\u003cp\u003eIf you know the AT80ED and want more aperture without stepping up to the FCD-100 premium class, the AT102ED is exactly where to look. It's proof that a scope doesn't need marketing claims or a premium price tag to perform. Just solid glass, a capable focuser, and the willingness to let the optics do the talking.\u003c\/p\u003e\n\u003ch3\u003eThe Optical Design\u003c\/h3\u003e\n\u003cp\u003eThe objective is a two-element air-spaced doublet using Schott FK-61 extra-low dispersion glass (optically equivalent to FPL-51). \u003cmeta charset=\"utf-8\"\u003eFK-61 has a long and well-established track record in ED refractors. At 102mm f\/7, the FK-61 formula delivers color correction that's clean at visual wavelengths. The secondary spectrum — the residual color that remains even after ED correction — is well controlled. Owners consistently report that color fringing is minimal or invisible except on targets brighter than the full Moon.\u003c\/p\u003e\n\u003cp\u003eThe objective lens carries broadband multi-coatings on all four air-to-glass surfaces. These coatings reduce reflective losses to near-negligible levels — look into the objective and you'll see barely a reflection of yourself. That means more light reaches the eyepiece rather than bouncing back into the sky. High light transmission translates to brighter images and higher contrast on planets, the Moon, and faint deep-sky objects.\u003c\/p\u003e\n\u003cp\u003eInside the tube, knife-edge baffles suppress stray light and enhance contrast. The optical design is simple and mature — two elements have been the foundation of refractor performance for over a century, and the FK-61 pairing refines that simplicity into a tool that performs consistently across observing conditions. \u003cmeta charset=\"utf-8\"\u003eNo triplet complexity, no aperture-dependent thermal issues. Just two pieces of glass that see photons and deliver them cleanly to the focal plane.\u003c\/p\u003e\n\u003ch3\u003eThe Focuser\u003c\/h3\u003e\n\u003cp\u003eThe AT102ED uses a dual-speed 2-inch Rack and Pinion focuser with a built-in rotating mechanism. The coarse focus knobs control the main focus travel, and a smaller concentric knob with an 11:1 ratio provides microfine adjustment for high-power visual work and critical astrophotography. This gives you the precision you need when pushing magnification on planets or locking focus for long exposures during imaging.\u003c\/p\u003e\n\u003cp\u003eThe focuser travel is smooth and the mechanism handles the weight of cameras and diagonals without flex or image shift during adjustment. The rotator mechanism lets you rotate a diagonal or camera to frame your target without disturbing focus — convenient for visual observing and essential for astrophotography composition. A locking knob under the focuser holds focus locked during exposures with no image wandering.\u003c\/p\u003e\n\u003cp\u003eThe drawtube terminates in a 2-inch compression ring holder for your diagonal or camera. The included 1.25-inch adapter uses a brass compression ring — no marring of accessory barrels, no set screws biting into your equipment. Both holders grip securely and will accept everything in your accessory kit.\u003c\/p\u003e\n\u003ch3\u003eBuilt for the Field\u003c\/h3\u003e\n\u003cp\u003eThe AT102ED measures approximately 25 inches and weighs about 7.5 pounds with rings and dovetail. It's hefty enough to feel substantial but light enough to handle without struggle — a practical balance for an observer who values aperture but doesn't want to manage a 15-pound tube. The doublet design means faster cool-down than any triplet at this aperture: on a cold winter night, 15 to 20 minutes of acclimation gets you to thermal equilibrium.\u003c\/p\u003e\n\u003cp\u003eThe split tube rings mount the scope securely and allow full rotation so you can position the focuser where you want it. The detachable 8-inch Vixen-style dovetail plate fits directly into any Vixen-compatible mount saddle — Astro-Tech, Celestron, Sky-Watcher, iOptron, Meade, Vixen. The dovetail is practical: one quick release and the scope comes off the mount.\u003c\/p\u003e\n\u003cp\u003eThe optical tube is finished in durable Aston Martin Grey — the signature color across the current AT refractor line. It's a finish that looks professional and lasts through years of field use. The focuser body has the same grey, giving the scope a unified appearance on the mount. The included metal dust cap snaps on securely and protects the optics during storage and transport.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e102mm f\/7 FK-61 ED doublet.\u003c\/strong\u003e Schott FK-61 extra-low dispersion glass (optically equivalent to FPL-51) in a two-element air-spaced doublet. Color correction that is clean across the visual spectrum, with minimal secondary spectrum on all targets except the brightest.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e714mm focal length.\u003c\/strong\u003e Long enough for detailed planetary views and resolving power that touches objects smaller scopes can't separate. Wide enough to frame major deep-sky targets without requiring excessive eyepiece combinations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-speed 2\" Rack and Pinion focuser.\u003c\/strong\u003e Smooth geared mechanism with coarse focus knobs and an 11:1 fine focus ratio. Built-in rotator for positioning a diagonal or camera without disturbing focus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotatable focuser mechanism.\u003c\/strong\u003e Rotate your diagonal or camera to frame targets without losing focus — practical for visual observing and essential for astrophotography composition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8\" Vixen-compatible dovetail.\u003c\/strong\u003e Fits directly onto any Vixen saddle. Detachable for quick mount transitions and quick-release flexibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrass compression ring accessory holders.\u003c\/strong\u003e 2\" and 1.25\" holders that grip accessories securely without marring barrels. No set screws, no risk to optics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully multi-coated optics.\u003c\/strong\u003e Broadband coatings on all four objective surfaces reduce reflective losses and maximize light transmission for bright, high-contrast images.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKnife-edge baffling.\u003c\/strong\u003e Stray-light suppression for dark sky backgrounds and improved contrast on planets, the Moon, and double stars.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight and portable.\u003c\/strong\u003e At 7.5 pounds with rings and dovetail, manageable to carry and position. Faster thermal equilibrium than any three-element scope at this aperture.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUnder the Night Sky\u003c\/h3\u003e\n\u003cp\u003eAt 102mm, the AT102ED collects roughly 60 percent more light than an 80mm scope. That's not a subtle upgrade — it's the difference between catching a hint of detail and seeing real structure. Jupiter's Great Red Spot appears as a distinct, contrasted oval rather than a suggestion. The cloud-top detail in the equatorial belts becomes apparent. Saturn's Cassini Division shows as a clean dark line all the way around the rings on nights with decent atmospheric stability. The shadow of the planet on the rings is obvious. Owners report reliably splitting tight double stars that an 80mm scope would leave as a single elongated point.\u003c\/p\u003e\n\u003cp\u003eOn the Moon, the four-inch aperture truly comes alive. Along the terminator, crater walls cast sharp shadows across floors that reveal subtle terraces and central peaks. Rilles show as fine dark lines tracing across the maria. The Straight Wall — Rupes Recta — is a high-contrast feature at moderate power. At 714mm focal length, a 7mm eyepiece puts you at 102× for detailed cruising; a 3.5mm eyepiece reaches 204× for close-up work. \u003cmeta charset=\"utf-8\"\u003eColor correction remains impressively well controlled, even at high magnifications.\u003c\/p\u003e\n\u003cp\u003eDeep-sky observing is where the aperture advantage becomes obvious. The Orion Nebula shows detail in the Trapezium and the delicate wings of gas that trail from the main nebulosity. M13, the Great Globular Cluster, shows a granular core with individual stars resolving at the edges. \u003cmeta charset=\"utf-8\"\u003eUnder dark skies, experienced observers can detect the bridge between M51 and its companion. Under dark skies with an OIII filter, the Veil Nebula becomes a real object with filamentary structure. The unobstructed aperture of a refractor delivers the contrast advantage that makes these faint objects pop.\u003c\/p\u003e\n\u003cp\u003eDouble-star observing is a particular strength. Owners report splitting the Double Double in Lyra cleanly, resolving Izar and its close orange companion, and achieving sharp Airy disks during decent seeing. The high-contrast, images from FK-61 glass make it easy to see subtle color differences between components — one of the real pleasures of refractor observing. A close double star in a refractor at high power is a moment you remember.\u003c\/p\u003e\n\u003ch3\u003eCommunity Says\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003e\"Excellent four-inch refractor at a fraction of the cost of a triplet. The views are crisp, the color correction is clean, and the focuser is smooth. A solid performer.\"\u003c\/em\u003e\u003cbr\u003e— Yotpo reviewer. An observer comparing the AT102ED to premium four-inch competitors.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\"I'm surprised at how good the optics are for the money. Double stars are sharp, the Moon is stunning, and deep-sky objects show real detail. This scope will keep you busy for a long time.\"\u003c\/em\u003e\u003cbr\u003e— Cloudy Nights observer. An owner reflecting on value and performance after several seasons with the scope.\u003c\/p\u003e\n\u003ch3\u003eObserving Tip\u003c\/h3\u003e\n\u003cp\u003eThe AT102ED is a doublet, which means it reaches thermal equilibrium faster than any triplet at this aperture — typically 15 to 20 minutes on a cool night. But 102mm of glass still needs settling time. Before you push the magnification, give the scope time to stop blooming — you'll know it's ready when star images snap into tight, stable Airy disks instead of bloated, swimming blobs. Start at moderate power around 100× to 120×, verify that the focus is sharp and stable, and work up from there. Use the 11:1 fine focus knob at high power: at f\/7, depth of focus is narrow, and a fraction of a turn on the fine knob is the difference between sharp and soft. Once focus is locked, lock the focuser knob and enjoy the view without worrying about drift.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does this compare to the AT102EDL?\u003c\/strong\u003e\u003cbr\u003eGlass and mechanics — two tiers of difference. The AT102EDL uses FCD-100 + Lanthanum glass with a guaranteed 0.95 Strehl minimum and sports a 2.5-inch EDT-series focuser (vs. 2-inch on the AT102ED), a camera angle adjuster, a CNC carry handle, micro baffles in the drawtube, and a nylon carry case. The AT102ED uses FK-61 glass with no Strehl guarantee, a simpler 2-inch focuser, and split rings. Both are capable scopes. The AT102ED is the value version — proven performance, clean optics, solid focuser, significantly less cost. The AT102EDL is the premium step — better glass, more features, more accessories included. Know your priorities and either choice will reward you with years of observing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this good for astrophotography?\u003c\/strong\u003e\u003cbr\u003eYes. The rotatable 2-inch focuser is camera-friendly, and the dual-speed mechanism gives you precision for focus lock during long exposures. At 714mm f\/7, exposure times are reasonable for most deep-sky targets and the image scale works well for wide-field imaging of large nebulae and clusters. For critical imaging where the fastest f-ratio or the smallest image scale matters, step up to the AT102EDL with the dedicated reducer, which transforms the scope to 571mm f\/5.6 and adds a field-flattening correction across your sensor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat mount does this need?\u003c\/strong\u003e\u003cbr\u003eAt 7.5 pounds, the AT102ED is mid-weight and manageable on a range of mounts. For visual use, a mid-size altazimuth like an iOptron AZ Pro or a German equatorial mount like a Celestron AVX will handle it comfortably. For astrophotography, plan on an equatorial mount rated for at least 20 pounds of payload capacity to account for the camera, filter wheel, and focuser. The Vixen dovetail fits directly into any compatible saddle — no adapter needed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs FK-61 glass good enough at 102mm?\u003c\/strong\u003e\u003cbr\u003eYes. FK-61 (FPL-51 equivalent) is proven extra-low dispersion glass with a century of performance history at professional and amateur apertures. At f\/7, the FK-61 formula delivers color correction that is clean across the visual spectrum. You'll see minimal false color except on targets brighter than the full Moon. The 62 owners who've reviewed this scope confirm that the optics perform as described. \u003cmeta charset=\"utf-8\"\u003eFK-61 is a proven ED glass that delivers excellent color correction at this aperture and focal ratio.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a reducer or field flattener with this scope?\u003c\/strong\u003e\u003cbr\u003eYes. The dedicated AT102EDRF 0.8× reducer\/flattener is available as an optional accessory. It reduces the focal length from 714mm to 571mm and the focal ratio from f\/7 to f\/5.6, while correcting the field for astrophotography. The reducer delivers 55mm of back focus from the reducer shoulder to the image plane — confirmed for standard DSLR and mirrorless camera configurations. Check your specific camera setup to confirm compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat eyepieces should I start with?\u003c\/strong\u003e\u003cbr\u003eAt 714mm focal length, a 7mm eyepiece delivers 102×, a good power for detailed planetary work and the Moon. A 13mm eyepiece delivers 55×, wide enough to frame large deep-sky objects and scan the Milky Way. A 25mm delivers 28.5× for bright clusters and nebulae. Start with a 9mm to 13mm and work outward from there — these ranges let you dial in the power that feels natural for your eyes and seeing conditions. The wider the apparent field of your eyepiece, the more immersive the experience.\u003c\/p\u003e\n\u003ch3\u003eOptional Accessories\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAT102EDRF 0.8× Reducer\/Field Flattener:\u003c\/strong\u003e Converts the AT102ED from 714mm f\/7 to 571mm f\/5.6 with field correction across your imaging sensor. 55mm back focus from the reducer shoulder. Dedicated to the AT102ED's optical specifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAstro-Tech 2\" 99% Reflectivity Dielectric Mirror Diagonal:\u003c\/strong\u003e A quality diagonal preserves the light that the optics collect. Dielectric coatings deliver near-total reflectivity across the visual spectrum. Rotate your diagonal to position your eyepiece ergonomically.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAstro-Tech 7mm UWA 82° Eyepiece:\u003c\/strong\u003e At 714mm focal length, the 7mm UWA delivers 102× with an 82° apparent field. A versatile mid-to-high power eyepiece for planets, the Moon, and double stars.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAstro-Tech 13mm 100° Field Waterproof Eyepiece:\u003c\/strong\u003e At 714mm, the 13mm delivers 55× with a 100° apparent field — a wide walk-through experience for sweeping the Milky Way and framing large deep-sky objects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFinal Thoughts\u003c\/h3\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe AT102ED offers the combination that has made four-inch refractors so popular for generations: enough aperture to be genuinely capable, enough portability to be used often, and enough optical quality to reward observers for years. If you're ready to step beyond the limitations of smaller refractors without stepping into premium pricing territory, the AT102ED is one of the most proven choices available.\u003c\/p\u003e\n\u003ch2\u003eTech Details:\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eAperture\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e102mm (4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eFocal Length\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e714mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14py; border: 1px solid #cccccc;\"\u003ef\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eOptical Design\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eAir-spaced ED doublet (FK-61 glass)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eGlass Type\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eSchott FK-61 (FPL-51 equivalent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eCoatings\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eFully multi-coated (all air-to-glass surfaces)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eFocuser\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eDual-speed 2\" Rack and Pinion, rotatable, 11:1 fine focus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eEyepiece Holders\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e2\" and 1.25\" brass compression ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eMounting\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eSplit tube rings with detachable 8\" Vixen-style dovetail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eTube Length\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e~25\" (635mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eWeight (with rings \u0026amp; dovetail)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e~7.5 lbs (3.4 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eTube Finish\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eAston Martin Grey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eBaffling\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eKnife-edge baffles; blackened lens edges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eThermal Cool-Down Time\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e15–20 minutes (doublet design)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e1 year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Astro-Tech","offers":[{"title":"Default Title","offer_id":40481982316617,"sku":"AT102ED","price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/files\/AT102ED_3-10003.jpg?v=1714058041"},{"product_id":"astro-tech-at72edii-refractor-ota-fpl-53-f-6","title":"Astro-Tech AT72EDII Refractor OTA FPL-53 and Lanthanum f\/6 Doublet","description":"\u003cp\u003eAstronomy magazine called it \"a product everyone should own.\" Years of strong owner reviews — and a following of people who bought a second one when their first proved indispensable — suggest the magazine knew what it was talking about. The AT72EDII is a 72mm f\/6 ED doublet with FPL-53 and Lanthanum glass — premium optics that deliver virtually zero chromatic aberration at this aperture and focal ratio. At 430mm focal length, it's fast enough for wide-field deep-sky imaging, compact enough to travel in a backpack, and \u003cmeta charset=\"utf-8\"\u003esharp enough to deliver rewarding views of everything from the Moon and planets to rich star fields and bright deep-sky objects. But the real story is versatility: this scope does imaging, guidescoping, lunar-planetary visual, and grab-and-go observing so competently that it often ends up being the last scope people think they'll sell.\u003c\/p\u003e\n\u003cp\u003eThe \"II\" in the name is important. The AT72EDII uses the EDT-series focuser mechanism — the same dual-speed 2-inch rack-and-pinion with 10:1 fine focusing and camera angle adjuster you'll find in the much larger AT115EDT and AT130EDT. That's a significant step up from the original AT72ED. The CAA lets you rotate your camera for framing without touching focus. The focuser is smooth and precise enough for critical work. And the whole scope comes bundled with a complete package: non-marring compression ring holders, two CNC tube rings, and a Vixen dovetail plate — a more complete mechanical setup than most scopes at this size.\u003c\/p\u003e\n\u003cp\u003eThe retractable dew shield extends to protect the objective in humid conditions, then retracts and stores against the tube for travel. At 4.8 pounds, the whole assembly fits on a small equatorial mount for imaging, on a photo tripod for a quick visual session, or piggyback on a larger scope for guided autoguiding. For travelers, observers with limited space, and imaging enthusiasts who want a serious secondary imaging scope without the weight, the AT72EDII solves a real problem.\u003c\/p\u003e\n\u003ch3\u003eThe Optical Design\u003c\/h3\u003e\n\u003cp\u003eFPL-53 and Lanthanum glass — premium Ohara ED elements with full multicoating on every air-to-glass surface. This is the glass that makes a small refractor shine. At 72mm aperture and f\/6, the doublet design delivers color correction that exceeds expectations for its aperture and price class. You will see essentially no false color on Jupiter, Saturn, or the Moon. On bright stars at high power, the star remains pinpoint tight. Internal knife-edge baffles and blackened lens edges contribute to the deep, dark sky backgrounds this aperture is known for. The focuser threads are sealed against dust and dew, and the internal mechanics are built for the precision that astrophotography demands.\u003c\/p\u003e\n\u003cp\u003eThe 430mm focal length is a carefully chosen sweet spot. At f\/6, it's fast enough to gather light quickly for imaging — useful when you're shooting faint nebulae or working in less-than-perfect suburban skies. But it's not so fast that eyepiece aberrations become a factor in visual work. The f-ratio is forgiving on eyepiece quality, which means even entry-level eyepieces will show you good views. For astrophotography, the focal length is short enough to frame wide fields (perfect for emission nebulae, open clusters, and large galaxies), yet long enough to deliver meaningful magnification on the planets.\u003c\/p\u003e\n\u003ch3\u003eThe Focuser\u003c\/h3\u003e\n\u003cp\u003eThis is where the AT72EDII shows its design maturity. The EDT-series 2-inch rack-and-pinion focuser has two knobs: a coarse focus ring for rapid positioning and a concentric 10:1 fine-focus microknob for critical focus work. Both operate smoothly. The friction is just right — not tight enough to bind, not loose enough to creep when you're holding weight. The camera angle adjuster (CAA) is built in: loosen the control knob on the focuser housing, rotate your camera head to any angle for composition, then tighten. This is essential for imaging when your camera orientation and your mount's travel axes don't align naturally. No need to refocus after framing — the CAA isolates camera rotation from the focus position.\u003c\/p\u003e\n\u003cp\u003eThe focuser travel is optimized for both 2-inch and 1.25-inch accessories. The drawtube extension reaches enough to accommodate a 2-inch diagonal with a camera, or a 2-inch eyepiece, or a Barlow in the 1.25-inch draw without running out of focus. The travel is smooth at both coarse and fine scales, with none of the jumpiness or play that cheaper focusers introduce.\u003c\/p\u003e\n\u003cp\u003eThe compression ring holders on both the 2-inch and 1.25-inch barrels use soft brass rings rather than a thumbscrew biting directly into the barrel. This means your eyepieces and diagonals stay unmarked through years of swapping and adjusting. It's a small detail that pays dividends if you're the type who rotates eyepieces across different scopes.\u003c\/p\u003e\n\u003ch3\u003eBuilt for the Field\u003c\/h3\u003e\n\u003cp\u003eAt 72mm and f\/6, the AT72EDII is the opposite of a bulky observatory scope. The optical tube itself is only 12 inches long (15 inches with the dew shield extended) — small enough that you can rest it on a car door or on foam with one hand. The whole assembly with rings and dovetail weighs 4.8 pounds. This isn't a scope you need a car to transport. It travels in a backpack. It lives in a closet without complaint. It lives on a small equatorial mount without exceeding payload limits. For observers in apartments, RVs, or small observatories, or for anyone who travels to dark sites, the size and weight are genuine advantages.\u003c\/p\u003e\n\u003cp\u003eThe two tube rings are CNC-machined with a Vixen dovetail plate pre-installed. This is not a finder ring with a 1\/4\"-20 threaded foot — it's a full-size Vixen dovetail that accepts any Vixen-compatible saddle. That means you can mount the AT72EDII on an HEQ5-class equatorial, a Celestron CGX, or a Losmandy dovetail-to-Vixen adapter. The rings are split so you can remove the scope without removing the dovetail from the mount. Felt-lined rings protect the tube finish.\u003c\/p\u003e\n\u003cp\u003eThe retractable dew shield extends the tube to 15 inches total and shields the objective lens from dew and stray light. The design is self-storing — the shield slides down over the tube and stays there until you extend it. This is elegantly practical. You get dew protection on humid nights without adding bulk during transport.\u003c\/p\u003e\n\u003cp\u003eThe whole setup is fast to assemble: insert the scope into the rings, tighten the ring locks, attach your diagonal and eyepiece, and you're observing within minutes. No tools required. No balancing act with heavy counterweights. No complex setup procedures. This is why the AT72EDII ends up being the first scope people grab when they have 30 minutes before sunset and want to catch the Moon or a bright planet.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAstro-Tech AT72EDII 72mm f\/6 FPL-53 + Lanthanum ED doublet refractor OTA\u003c\/li\u003e\n\u003cli\u003eTwo CNC tube rings with felt lining\u003c\/li\u003e\n\u003cli\u003eVixen dovetail plate pre-installed on rings\u003c\/li\u003e\n\u003cli\u003e2\" eyepiece holder with non-marring compression ring\u003c\/li\u003e\n\u003cli\u003e1.25\" adapter with non-marring compression ring\u003c\/li\u003e\n\u003cli\u003eRetractable, self-storing dew shield\u003c\/li\u003e\n\u003cli\u003eMetal dust cap for objective\u003c\/li\u003e\n\u003cli\u003eEyepiece holder dust seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e72mm (2.83\") FPL-53 + Lanthanum ED doublet optics\u003c\/strong\u003e — Premium Ohara ED glass. Virtually zero chromatic aberration. The optical quality usually found in scopes costing twice as much.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ef\/6, 430mm focal length\u003c\/strong\u003e — Fast enough for efficient deep-sky imaging, slow enough to be forgiving on eyepiece quality. Wide-field frames, tight planetary magnification, grab-and-go versatility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEDT-series 2\" dual-speed rack-and-pinion focuser\u003c\/strong\u003e — 10:1 fine focus. Smooth action, zero creep, built for both visual and camera work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in camera angle adjuster\u003c\/strong\u003e — Rotate your camera for composition without losing focus. Standard equipment, not an extra purchase.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-marring compression ring holders\u003c\/strong\u003e — 2\" and 1.25\" accessories secure without scratching or binding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVixen dovetail mounting\u003c\/strong\u003e — Full-size dovetail with two CNC tube rings. Accepts any Vixen-compatible saddle. Professional mounting out of the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetractable dew shield\u003c\/strong\u003e — Extends for humid nights, retracts for compact storage and transport. Self-storing design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKnife-edge internal baffles\u003c\/strong\u003e — Deep contrast and dark sky backgrounds. Blackened lens edges reduce scattered light.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact and portable\u003c\/strong\u003e — 4.8 pounds with rings and dovetail. 12-inch tube. Fits a backpack. Mounts on small equatorial drives without exceeding payload limits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAward-winning design\u003c\/strong\u003e — Astronomy magazine endorsement and years of strong owner reviews. Returned to by observers who thought they'd moved past it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUnder the Night Sky\u003c\/h3\u003e\n\u003cp\u003eThe Moon is where the AT72EDII proves that you don't need a large aperture to see detail. At 72x (12mm eyepiece), the terminator is alive with shadow detail — crater walls catching the first light, the central peaks of young craters in sharp relief, the scarps cutting across ancient mare floors. The Straight Wall casts a knife-edge shadow near quarter phase. Rilles thread across the lunar surface like fine lines drawn with a pencil. At higher powers — 100x to 143x on the best nights — individual mountain peaks stand out in three dimensions. No false color. No haze across the detail. Just clarity. This is why refractors dominated lunar observation for centuries.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eJupiter shows its two main equatorial belts clearly, along with changing moon positions and occasional transit events. Saturn's ring system is beautifully defined, and under steady skies the Cassini Division becomes visible. The Moon is especially rewarding, revealing crisp crater walls, rilles, mountain ranges, and subtle shadow detail.\u003c\/p\u003e\n\u003cp\u003eFor double stars, the AT72EDII's 1.61 arc-second resolution cleanly splits the bright pairs. Albireo (beta Cygni) separates into gold and blue at any magnification. Epsilon Lyrae, the Double Double, is more challenging at 72mm — the close pair of the quad resolves with effort at 143x on good seeing nights, but you'll definitely see the close pair as separate. For visual double-star observers, the AT72EDII provides enough resolution to hunt interesting pairs while remaining portable enough to set up in minutes.\u003c\/p\u003e\n\u003cp\u003eDeep-sky objects are real but bounded by aperture. The Ring Nebula (M57) shows its annular shape clearly at low power. M13 (the Hercules Cluster) resolves to individual stars across the face, with many more just beyond resolution. The Andromeda Galaxy shows the bright core and extending disk at low power; dark lanes are visible on a good night at 50-60x. The Double Cluster in Perseus is a showpiece — dozens of stars scattered across the field with a clarity that only a refractor delivers. The Pleiades, the Hyades, and the Beehive Cluster all shine. What you won't do: hunt the faintest faint galaxies, explore the deep structure in large nebulae, or collect photons from objects below magnitude 13. For that, supplement with a larger reflector. The AT72EDII is not trying to be everything. It's trying to be excellent at what 72mm ED refractors do best.\u003c\/p\u003e\n\u003ch3\u003eCommunity Says\u003c\/h3\u003e\n\u003cp\u003eThe AT72EDII has a devoted following on Cloudy Nights — the forum Astronomics owns — and the honest enthusiasm there tells the story better than any spec sheet. Owners are clear-eyed about what a 72mm is and isn't, then pleasantly surprised by what it does anyway.\u003c\/p\u003e\n\u003cblockquote style=\"border-left: 3px solid #2d6a9f; margin: 16px 0; padding: 4px 16px; color: #333;\"\u003e\"No one is ever going to call my little f\/6 scope a planet killer. That's not its intended design — it's meant for wide field. But... at 108x, the views along the lunar terminator were super crisp and detailed. The sharp edges of mountains, ridges and craters in the waxing crescent Moon were great. Venus revealed itself as a very pristine crescent.\"\u003cbr\u003e— \u003ca href=\"https:\/\/www.cloudynights.com\/forums\/topic\/880875-at72edii-yes-planets-are-small-but-spectacular\/?do=findComment\u0026amp;comment=12768284\"\u003eCloudy Nights \"planets are small, but spectacular\" discussion\u003c\/a\u003e. This owner was working the Moon and Venus with a Barlow and a zoom eyepiece.\u003c\/blockquote\u003e\n\u003cblockquote style=\"border-left: 3px solid #2d6a9f; margin: 16px 0; padding: 4px 16px; color: #333;\"\u003e\"The first time I looked at Jupiter with mine I was shocked how well it did. Even though it looked small, it was sharp — some belts, and the crisp shadow of a moon's transit looked close to how my 92 Stowaway did on the same evening.\"\u003cbr\u003e— \u003ca href=\"https:\/\/www.cloudynights.com\/forums\/topic\/880875-at72edii-yes-planets-are-small-but-spectacular\/?do=findComment\u0026amp;comment=12768358\"\u003eCloudy Nights AT72EDII discussion\u003c\/a\u003e. This owner compared it directly against a premium 92mm apochromat costing several times the price.\u003c\/blockquote\u003e\n\u003cp\u003eThe recurring theme: nobody buys a 72mm doublet expecting a planet killer, and nobody seems to come away disappointed by what this one shows.\u003c\/p\u003e\n\u003ch3\u003eObserving Tip\u003c\/h3\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eFor visual observing, pair the AT72EDII with a quality 2-inch low-power eyepiece and spend time exploring large star fields. The combination of a 430mm focal length and excellent color correction makes this telescope particularly rewarding on objects like the Double Cluster, the Pleiades, the Beehive Cluster, and the larger star clouds of the Milky Way. Many owners discover that these sweeping views become the telescope's most memorable strength.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the AT72EDII compare to the AT60ED?\u003c\/strong\u003e\u003cbr\u003eBoth use FPL-53 + Lanthanum glass. Both are compact and portable. The AT72EDII has more aperture (72mm vs. 60mm), which translates to about 44% more light-gathering. Both are f\/6, but the AT72EDII's longer 430mm focal length (vs. 360mm) gives more image scale and reach. The AT72EDII includes two tube rings and a Vixen dovetail; the AT60ED uses a finder ring with 1\/4\"-20 threaded foot. If you want the absolute minimum size and weight, the AT60ED. If you want notably more capability without much more bulk, the AT72EDII is the clear choice.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the AT72EDII compare to the AT70ED?\u003c\/strong\u003e\u003cbr\u003eDifferent glass, different focuser. The AT72EDII uses FPL-53 + Lanthanum with the EDT-series dual-speed focuser and camera angle adjuster. The AT70ED uses FK-61 (FPL-51 equivalent) glass with a simpler single-speed focuser and no CAA. The AT72EDII delivers better color correction and more imaging-friendly mechanics — the CAA and fine-focus control make critical focus work easier. The AT70ED costs less and is still a solid scope. The AT72EDII is the premium version in the compact category.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's the difference between the AT72EDII and the original AT72ED?\u003c\/strong\u003e\u003cbr\u003eThe AT72EDII upgraded the focuser to the EDT-series mechanism with 10:1 fine focus and a camera angle adjuster. It switched to non-marring compression ring holders. It added proper tube rings and a Vixen dovetail (the original had a simpler mounting foot). The optics are the same FPL-53 + Lanthanum design — the upgrades are all mechanical. If you have an original AT72ED, the \"II\" version is an evolution worth considering if you're serious about imaging.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this good for astrophotography?\u003c\/strong\u003e\u003cbr\u003eAbsolutely. At 430mm f\/6 with the EDT-series focuser and camera angle adjuster, it's one of the best small-aperture imaging scopes available. The fast focal ratio means shorter exposures. The focal length is perfect for wide-field emission nebulae and open clusters. Add the ATRF72 0.8x reducer for even faster imaging at f\/4.8. The non-marring compression rings and smooth focuser make the workflow straightforward. Many serious imaging observers keep this as a dedicated secondary camera system even after acquiring much larger scopes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat kind of mount do I need?\u003c\/strong\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003eFor visual use, lightweight alt-azimuth mounts such as the Astro-Tech Voyager, Sky-Watcher AZ-GTi, or similar mounts work very well. For imaging, mounts in the HEQ5, AM3, or Sirius class provide more than enough capacity.\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eOptional Accessories\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eATRF72 0.8x Reducer\/Flattener\u003c\/strong\u003e — Drops the focal ratio to f\/4.8 and the focal length to 344mm. For faster deep-sky imaging with a wider field and flat, corrected stars across APS-C sensors. The serious secondary imaging scope choice. Sold separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAstro-Tech 2\" 99% Reflectivity Dielectric Mirror Diagonal\u003c\/strong\u003e — The companion diagonal for visual work. Dielectric coatings reflect more light than standard aluminum. The wider bore handles the field of view the AT72EDII can deliver. Sold separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAstro-Tech Eyepieces\u003c\/strong\u003e — Pair this scope with AT eyepieces: UWA 82° series (4mm, 7mm, 10mm, 13mm, 16mm, 21mm, 28mm), PF series (5.5mm, 10.5mm, 15.5mm, 19mm, 25mm), or the 9-27mm zoom. The fast focal ratio is forgiving on eyepiece quality. Start with a 25mm for low power and a 10mm for medium magnification. Sold separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAstro-Tech 2x Telecentric Barlow\u003c\/strong\u003e — Double your eyepiece magnifications without changing optical quality. Excellent for planetary work and double-star observation. Sold separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003c!-- Insert tech details table here — see section ③ below --\u003e\n\u003ch3\u003eFinal Thoughts\u003c\/h3\u003e\n\u003cp\u003eThe AT72EDII is the scope that makes people rethink the limits of small refractors. FPL-53 glass, an EDT-series focuser with camera angle adjuster, a complete mechanical package with Vixen dovetail and tube rings, and a total weight of 4.8 pounds — it's built for imaging, built for visual, and built for travel. Years of strong owner reviews and an Astronomy magazine endorsement (\"a product everyone should own\") aren't accidents. Grab it for a quick visual session on the Moon. Mount it for deep-sky imaging. Use it as a guidescope on a larger rig. \u003cmeta charset=\"utf-8\"\u003eIn five years, you'll still be reaching for it—which is ultimately the best measure of a telescope's value.\u003c\/p\u003e\n\u003ch2\u003eTech Details:\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eAperture\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e72mm (2.83\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eFocal Length\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e430mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003ef\/6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eOptical Design\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eED doublet (FPL-53 + Lanthanum)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eGlass Type\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eFPL-53 + Lanthanum (Ohara) — premium ED glass, fully multicoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eResolution\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e1.61 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eVisual Limiting Magnitude\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e11.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eHighest Useful Magnification\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e143x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eTube Length (dew shield retracted)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e12\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eTube Length (dew shield extended)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e15\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e4.15 lbs (OTA); 4.8 lbs with rings \u0026amp; dovetail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eFocuser Type\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eEDT-series 2\" dual-speed rack-and-pinion with camera angle adjuster (CAA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eFocuser Fine Focus Ratio\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e10:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eEyepiece Holders\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e2\" and 1.25\" with non-marring compression rings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eTube Rings\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eTwo CNC split rings with felt lining and Vixen dovetail plate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eDovetail Mount\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eVixen-compatible dovetail plate (full-size, not finder-ring mount)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eDew Shield\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eRetractable, self-storing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eInternal Baffles\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eKnife-edge light baffles, blackened lens edges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eDust Cap\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eMetal dust cap for objective\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eTube Finish\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eWhite tube with black and red trim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e1 year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Astro-Tech","offers":[{"title":"Default Title","offer_id":40481982644297,"sku":"AT72ED2","price":519.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/files\/AT72EDII_3-10097.jpg?v=1714752218"},{"product_id":"astro-tech-at60ed-60mm-f-6-fpl-53-ed-doublet","title":"Astro-Tech AT60ED 60mm f\/6 FPL-53ED and Lanthanum Doublet","description":"\u003cp\u003eSky \u0026amp; Telescope called it a Hot Product. Years of owner reviews later, the AT60ED has earned that reputation many times over. This is a 60mm f\/6 ED doublet with FPL-53 and Lanthanum glass — the same premium ED optics that define refractor performance — packed into a scope small enough to fit a backpack. It works as a wide-field visual scope, a capable travel refractor, a guide scope, or a small-chip astrophotography platform. It does all four well, and none of them compromise.\u003c\/p\u003e\n\u003cp\u003eThe key is the glass. FPL-53 is Ohara's premium ED element, paired here with a Lanthanum element to deliver virtually zero chromatic aberration at f\/6. The AT60ED's 360mm focal length is fast — fast enough for efficient wide-field imaging, fast enough to show brighter deep-sky objects in impressive fields of view, fast enough that you can gather a surprising amount of light in short exposures. For a scope you can literally carry in one hand, that's serious capability.\u003c\/p\u003e\n\u003cp\u003eThe focuser is a dual-speed 2-inch Rack and Pinion with 10:1 fine focus and a camera angle adjuster. This is the kind of focuser found on much larger scopes. The CAA lets you rotate your camera or guide camera for framing without moving focus. The scope mounts via a finder ring with a 1\/4\"-20 tapped foot — straight onto a photo tripod, or into a standard finder shoe on a larger scope for piggyback work. The retractable dew shield stores flat against the tube for travel. Light, compact, versatile, and with optics that punch far above the aperture.\u003c\/p\u003e\n\u003ch3\u003eThe Optical Design\u003c\/h3\u003e\n\u003cp\u003eFPL-53 glass is Ohara's premium ED element. Paired with a Lanthanum element, it produces a doublet design that delivers near-zero chromatic aberration at this focal ratio. The surfaces are fully multicoated to maximize light transmission and contrast. What this means in practice: bright, sharp star images with virtually no false color, even at moderate magnifications. The 360mm focal length at f\/6 puts the AT60ED in the sweet spot where refractors excel — fast enough to be practical, slow enough to be forgiving on eyepiece quality.\u003c\/p\u003e\n\u003ch3\u003eThe Focuser\u003c\/h3\u003e\n\u003cp\u003eMost 60mm scopes come with a simple focuser. The AT60ED doesn't. The 2-inch dual-speed Rack and Pinion gives you coarse focus on one knob and 10:1 fine focus on a concentric microknob. For visual work at moderate powers, coarse focus is fine. For astrophotography with a camera that weighs more than an eyepiece, or when you're chasing critical focus on a guide star, the 10:1 ratio becomes essential. One user loaded a 2\" diagonal, a wide-field eyepiece, and a camera onto the drawtube — over 3 pounds — and reported the focuser held position without drift.\u003c\/p\u003e\n\u003cp\u003eThe built-in camera angle adjuster lets you rotate your camera or guide camera for framing without disturbing focus. Loosen the adjuster, rotate to your desired angle, tighten. For astrophotography, this saves you from the usual dance of adjusting focus after rotating the camera. For guide scope work, it means you can position your guide camera to find a suitable guide star without refocusing.\u003c\/p\u003e\n\u003ch3\u003eBuilt for the Field\u003c\/h3\u003e\n\u003cp\u003eThis scope was designed for motion — from the car to the dark site, from the backyard to a high-altitude location, from sitting on a photo tripod to riding piggyback on a larger scope. The finder ring with 1\/4\"-20 tapped foot is the key. Any photo tripod, any finder shoe, any mounting bracket with standard photo threads accepts it. No special adapters, no dovetails that only fit one brand of mount, no compromise with existing gear.\u003c\/p\u003e\n\u003cp\u003eAt about 3.25 pounds, the AT60ED is among the lightest refractors in the Astro-Tech lineup — light enough to carry in one hand, ride piggyback on a larger scope, or sit on a sturdy photo tripod. For travel, for driveway astronomy, for throw-it-in-the-car observing, weight matters. This scope goes everywhere.\u003c\/p\u003e\n\u003cp\u003eThe guide scope role is worth its own mention. At 360mm focal length, the AT60ED provides enough image scale for reliable autoguiding with standard guide cameras. The camera angle adjuster means you can position your guide camera without refocusing. Mount it on a finder shoe above your main imaging rig, and you have a compact, capable guide scope that doesn't consume real estate or add weight to your imaging setup. For small to mid-size refractors, the AT60ED serves double duty: when you upgrade to a larger imaging scope, keep it as your guide scope.\u003c\/p\u003e\n\u003cp\u003eThe 1\/4\"-20 mount also accepts standard photo tripod heads — ball heads, geared heads, whatever you prefer. Attach it to a quality photo tripod and you have a wide-field visual scope that sets up in seconds and fits in the car without contention for space.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAstro-Tech AT60ED 60mm f\/6 FPL-53 + Lanthanum ED doublet refractor OTA\u003c\/li\u003e\n\u003cli\u003eFinder ring with 1\/4\"-20 tapped foot\u003c\/li\u003e\n\u003cli\u003e2\" eyepiece holder with compression ring and camera angle adjuster\u003c\/li\u003e\n\u003cli\u003e1.25\" adapter with compression ring\u003c\/li\u003e\n\u003cli\u003eRetractable dew shield\u003c\/li\u003e\n\u003cli\u003eSlip-on metal dust cap\u003c\/li\u003e\n\u003cli\u003eNylon soft carry case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFPL-53 + Lanthanum doublet optics\u003c\/strong\u003e — Ohara's premium ED glass with Lanthanum element. Near-zero chromatic aberration. Fully multicoated surfaces for maximum contrast and light transmission.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e60mm aperture, f\/6, 360mm focal length\u003c\/strong\u003e — Fast enough for efficient wide-field imaging and wide-field visual views. Compact enough to carry in a backpack. Premium optics in the smallest AT ED refractor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-speed 2\" Rack and Pinion focuser\u003c\/strong\u003e — 10:1 fine-focus ratio for precise focus adjustment. Critical for astrophotography and guide scope work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamera angle adjuster (CAA)\u003c\/strong\u003e — Rotate your camera or guide camera for framing without disturbing focus. Standard on the AT60ED, optional on many other scopes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression ring accessory holders\u003c\/strong\u003e — 2\" and 1.25\" holders with brass compression rings. No thumbscrews to mar your eyepieces or diagonals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/4\"-20 photo tripod mount\u003c\/strong\u003e — Accepts any standard photo tripod, any finder shoe, any mounting bracket with standard 1\/4\"-20 threads. No proprietary dovetails.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetractable dew shield\u003c\/strong\u003e — Protects the objective from ambient light and slows dew formation. Retracts flat for compact storage and travel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhite tube finish with black and red trim\u003c\/strong\u003e — Professional appearance, durable enamel finish. Red trim matches other AT components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile — guide scope, wide-field imager, travel visual scope, backup optical tube\u003c\/strong\u003e — Few scopes at any price wear as many hats this well.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUnder the Night Sky\u003c\/h3\u003e\n\u003cp\u003eThe Moon through a 60mm f\/6 refractor is a masterclass in what aperture isn't everything. At 60x with a 6mm eyepiece, the Moon fills the field and the terminator comes alive with shadow detail — crater walls catching the first light, rilles threading across mare floors. The bright craters pop against the dark maria with the contrast that only a well-corrected refractor delivers. At 100x on steady nights, you're seeing sharp, high-contrast lunar features. It's not a 10-inch Dob, but what you see is vivid and real.\u003c\/p\u003e\n\u003cp\u003eJupiter and Saturn reward the AT60ED with surprisingly detailed views. \u003cmeta charset=\"utf-8\"\u003eJupiter reveals the two main equatorial belts and the changing positions of its Galilean moons. Saturn shows its ring system clearly separated from the globe, and under steady skies hints of the Cassini Division become visible. The Moon is especially rewarding, with razor-sharp crater walls and excellent contrast along the terminator. You won't achieve planetary mag-140x performance, but the AT60ED at 100-120x delivers planetary views that make you forget you're looking at a 60mm scope.\u003c\/p\u003e\n\u003cp\u003eDouble stars are a refractor speciality, and the AT60ED shows them well. Albireo splits easily even at low power, gold and blue separated cleanly. Epsilon Lyrae — the Double Double — resolves all four components at 100x. The contrast and sharpness are what refractors are actually for, and the AT60ED doesn't disappoint.\u003c\/p\u003e\n\u003cp\u003eWide-field deep-sky is where the AT60ED shines. At f\/6 with 360mm focal length, a 30mm eyepiece delivers a 3-degree field of view — large enough that you're seeing context, seeing neighborhoods of stars, seeing the Milky Way as a structure rather than scattered points. The Pleiades fill the field with their brightness and arrangement. The Double Cluster in Perseus spans the view with a clarity that only a refractor delivers. The Andromeda Galaxy stretches across the field at low power with dark lanes visible on a good night. M31, M33, the Hyades, the Beehive — all look better through a 60mm f\/6 than through higher-magnification instruments. Wide-field observing rewards aperture and focal ratio over magnification, and the AT60ED has both.\u003c\/p\u003e\n\u003cp\u003ePlanets are limited by aperture — you won't resolve detail on Mars or Saturn that a 6-inch scope shows. Faint galaxies are out of reach. The dimmest planetary nebulae are inaccessible. But everything bright, everything colorful, everything that benefits from pure optical excellence and wide fields of view is fair game. Use the AT60ED for what it's built for, and it delivers.\u003c\/p\u003e\n\u003ch3\u003eCommunity Says\u003c\/h3\u003e\n\u003cp\u003eThe AT60ED has been discussed and dissected on Cloudy Nights for years, often head-to-head against pricier rivals. The recurring verdict from owners is that the optics punch well above the price.\u003c\/p\u003e\n\u003cblockquote style=\"border-left: 3px solid #2d6a9f; margin: 16px 0; padding: 4px 16px; color: #333;\"\u003e\"Nice focuser, fit\/finish, and performance for the price!... I bought it as a travel AP scope.\"\u003cbr\u003e— \u003ca href=\"https:\/\/www.cloudynights.com\/forums\/topic\/664236-astro-tech-at60ed\/?do=findComment\u0026amp;comment=9422804\"\u003eCloudy Nights AT60ED imaging discussion\u003c\/a\u003e. This owner pairs it with the matching 1× field flattener and camera angle adjuster on a travel mount.\u003c\/blockquote\u003e\n\u003cp\u003eOwners consistently place its optics in the same conversation as refractors costing considerably more — which, for a scope this small and this affordable, is the whole point.\u003c\/p\u003e\n\u003ch3\u003eObserving Tip\u003c\/h3\u003e\n\u003cp\u003eThe AT60ED excels in wide-field observing, and wide-field observing rewards low power and large exit pupils. A 30mm eyepiece at 12x, a 25mm at 14x, a 20mm at 18x — these are the magnifications where the AT60ED sings. The 360mm focal length and f\/6 ratio were designed for exactly this kind of use. Pair it with a quality 30-35mm eyepiece and you have a device for exploring the Milky Way that rewires how you think about observing. \u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the AT60ED compare to the AT72EDII?\u003c\/strong\u003e\u003cbr\u003eSame glass family (both FPL-53 + Lanthanum), same f\/6 focal ratio, same camera angle adjuster. The AT72EDII has more aperture — 72mm vs. 60mm — which means 44% more light, higher resolution, and slightly more reach at 432mm vs. 360mm focal length. The AT72EDII comes with two tube rings and a Vixen dovetail (heavier, more capable mounting). The AT60ED uses a simple 1\/4\"-20 foot (lighter, more flexible mounting). Choose the AT60ED for maximum portability and versatility; choose the AT72EDII for more aperture in a still-compact package.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's the difference between FPL-53 and FK-61 glass?\u003c\/strong\u003e\u003cbr\u003eFPL-53 is Ohara's premium ED element; FK-61 is Schott's FPL-51 equivalent (also excellent, but a different standard). \u003cmeta charset=\"utf-8\"\u003eFPL-53 generally allows tighter color correction than FK-61 when used in similar optical designs. The AT60ED uses FPL-53. The AT70ED uses FK-61 with a simpler focuser and no CAA. Both are good scopes; the AT60ED is the premium version.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this as a guide scope?\u003c\/strong\u003e\u003cbr\u003eYes — it's an ideal guide scope. At 360mm focal length, the AT60ED provides enough image scale for reliable autoguiding with standard guide cameras. The 10:1 fine-focus ratio makes guide star acquisition precise. The camera angle adjuster lets you rotate your guide camera to find a guide star without refocusing. Mount it on a finder shoe above your main imaging rig and it will serve you for years.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this good for astrophotography?\u003c\/strong\u003e\u003cbr\u003eYes, for wide-field deep-sky imaging. At 360mm f\/6, the AT60ED frames large open clusters, nebulae, and galaxies efficiently. Pair it with the ATRF60 0.8× reducer for 288mm at f\/4.8 (faster, wider field). Pair it with the AT60FF 1× field flattener for full focal length imaging at f\/6 with flat stars to the corners. The camera angle adjuster makes framing straightforward. For small-chip or crop-sensor cameras, the AT60ED is a capable wide-field imaging platform.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat mount or tripod do I need?\u003c\/strong\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003eFor visual observing, the AT60ED works well on a sturdy photographic tripod or lightweight alt-azimuth mount. For astrophotography, a small equatorial mount such as an HEQ5, AM3, or similar class mount provides more than enough capacity.  You will need a Vixen Dovetail to attach the AT60ED to a telescope mount.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat else do I need to start observing?\u003c\/strong\u003e\u003cbr\u003eThe scope is OTA only — no mount, eyepieces, diagonal, or finder are included. For visual observing, budget for a 2\" star diagonal, a set of eyepieces (a 30mm for wide-field, a 12-15mm for medium power, and a 6-8mm for higher magnification is a good starting set), and a finderscope or red dot sight. If you're new to refractors, invest in quality accessories. A scope this good deserves eyepieces and a diagonal that match its optics.\u003c\/p\u003e\n\u003ch3\u003eOptional Accessories\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAstro-Tech ATRF60 0.8× Reducer\u003c\/strong\u003e — Reduces focal length to 288mm at f\/4.8 for faster, wider-field astrophotography.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAstro-Tech AT60FF 1× Field Flattener\u003c\/strong\u003e — Full focal length flat-field imaging at 360mm f\/6. For corrected star shapes across the field at native specifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAstro-Tech 2\" 99% Reflectivity Dielectric Mirror Diagonal\u003c\/strong\u003e — The companion diagonal. Dielectric coatings reflect more light than standard aluminum, preserving the light the AT60ED gathers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAstro-Tech eyepieces — 30mm UWA, 20mm Paradigm Dual ED, or 9-27mm Zoom\u003c\/strong\u003e — Premium eyepieces that unlock the AT60ED's wide-field potential and deliver the contrast the scope is capable of.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFinal Thoughts\u003c\/h3\u003e\n\u003cp\u003eThe AT60ED is the smallest Astro-Tech refractor with FPL-53 glass, and it pulls off something rare: maximum versatility without compromise. Premium optics, a 2-inch focuser with camera angle adjuster, a simple 1\/4\"-20 mount that works with anything, and a form factor so compact you forget you're carrying it. \u003cmeta charset=\"utf-8\"\u003eGuide scope, travel refractor, wide-field imager, or grab-and-go visual telescope — few scopes at any price fill as many roles as effectively as the AT60ED. Years of owner reviews and a Sky \u0026amp; Telescope Hot Product award don't come from hype. They come from a scope that actually delivers what its specs promise, and then some.\u003c\/p\u003e\n\u003ch2\u003eTech Details:\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eAperture\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e60mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eFocal Length\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e360mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003ef\/6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eOptical Design\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eED doublet (FPL-53 + Lanthanum ED)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eCoatings\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eFully multicoated on all air-to-glass surfaces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eResolution\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e1.92 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eVisual Limiting Magnitude\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e11.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eHighest Useful Magnification\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e120x (per AT manual)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eFocuser\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eDual-speed 2\" Rack and Pinion, 10:1 fine focus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eCamera Angle Adjuster\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eBuilt-in (standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eEyepiece Holders\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e2\" and 1.25\" with brass compression rings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eMounting\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eFinder ring with 1\/4\"-20 tapped foot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eDew Shield\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eRetractable, self-storing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eTube Finish\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eWhite tube with black and red trim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f0f4f8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003e3.25 lbs (OTA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc; font-weight: bold; width: 50%;\"\u003eAwards\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #cccccc;\"\u003eSky \u0026amp; Telescope Hot Product 2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Astro-Tech","offers":[{"title":"Default Title","offer_id":40481982939209,"sku":"AT60ED","price":369.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/files\/AT60ED_3-10139.jpg?v=1714058831"},{"product_id":"sky-watcher-evostar-120mm-f-7-5-ed-doublet-apochromatic-refractor","title":"Sky-Watcher Evostar 120mm f\/7.5 ED Doublet Apochromatic Refractor S11130","description":"\u003cp\u003eThis 120mm Sky-Watcher Evostar 120ED is a premium doublet apochromatic refractor with highly-reviewed high contrast\/high resolution optics that \u003cem\u003eSky \u0026amp; Tel\u003c\/em\u003e said were on a par with scopes costing three times its price . . .\u003c\/p\u003e\n\u003cdiv class=\"heading\"\u003e\u003cstrong\u003eThis Sky-Watcher Evostar 120ED apochromatic refractor has:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e• 120mm f\/7.5 apochromatic doublet optics using an ED element \u003cbr\u003e• dual-speed 2\" Crayford focuser with 10:1 ratio fine focusing \u003cbr\u003e• 2\" dielectric star diagonal with 2\" and 1.25\" eyepiece holders \u003cbr\u003e• two 1.25\" Long Eye Relief eyepieces (20mm and 5mm) \u003cbr\u003e• 8 x 50mm right-angle finderscope \u003cbr\u003e• dovetail shoe for installing on a Celestron AVX go-to mount or any Vixen-style altazimuth or German equatorial mount\u003cbr\u003e• two-year warranty\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eThe Sky-Watcher Evostar 120ED uses a crown glass element, an ED glass element, and state-of-the-art optical multicoatings in its apochromatic ED doublet optics. The result is images that are essentially free of the annoying halo of unfocused violet light (chromatic aberration) that often mars the view of bright stars and solar system objects. In addition, there is no loss in contrast such as you will find in reflector and catadioptric scopes that have a secondary or diagonal mirror hanging in the light path to scatter light..\u003c\/p\u003e\n\u003cp\u003eThe 120mm Sky-Watcher doublet optics are even more appealing when you consider that this Sky-Watcher apo is loaded with features other manufacturers charge extra for (or don't even have available) - such as an 8 x 50mm right-angle finderscope, a 2\" dielectric star diagonal with 1.25\" and 2\" compression ring accessory holders, two 1.25\" LE (Long Eye Relief) eyepieces (LE20mm and LE5mm); and a foam-lined aluminum-clad carrying case.\u003c\/p\u003e\n\u003cp\u003eThe Sky-Watcher Evostar 120ED has enough premium high contrast\/high resolution optical performance to let you use it as the heart of your observing system. With a weight of 11.3 pounds, it will work well on most medium duty equatorial mounts, but may start to push the capacity of some altazimuth mounts. That said, the Sky-Watcher Evostar 120ED is still light enough to take out and set up for observing on very short notice. Considering its surprisingly low price for an apochromatic doublet, adding in the extra features you get at no extra cost, and in view of the great optical performance that comes as standard equipment, the 120mm Sky-Watcher Evostar 120ED is a terrific buy!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures of this telescope . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApochromatic ED doublet refractor optics:\u003c\/strong\u003e 120mm (4.72\") aperture, 900mm focal length, f\/7.5 focal ratio.  The ED element is precision-polished from high grade ED (Extra-low Dispersion) glass. This ED element produces superior sharpness and color correction by minimizing the chromatic aberration, the \"false\" color fringing seen around bright objects when light rays pass through standard crown-and-flint doublet objectives. The result is to reduce spurious color halos and fringing to vanishingly low levels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFully multicoated optics:\u003c\/strong\u003e Each air-to-glass surface in the Sky-Watcher PRO 120ED doublet objective lens has MHC (Metallic High-Transmission Coating) antireflection multicoatings on all air-to-glass surfaces for high light transmission, minimal light scatter, and excellent contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInternal light baffles:\u003c\/strong\u003e Contrast-enhancing internal light baffles in the tube and focuser drawtube and a specially darkened tube interior provide dark sky backgrounds and high terrestrial contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDew shield:\u003c\/strong\u003e The supplied dew shield slows the formation of dew on the lens in cold weather to extend your undisturbed observing time. It also improves the contrast, similar to the effect of the lens shade on a camera lens, when observing during the day or when there is excessive ambient light at night, such as a neighbor's backyard security light. The substantial 11. 3 pound optical tube measures 37.8\" long, including the dew shield. A slip-on metal dust cap is standard.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual speed 2\" Crayford focuser:\u003c\/strong\u003e The precision-made no-backlash focuser has dual-speed focusing. There are two coarse focusing knobs. The right knob also has a smaller concentric knob with 10:1 reduction gear microfine focusing. This provides exceptionally precise image control during high magnification visual observing and critical DSLR or CCD imaging. The large focus knobs have ribbed gripping surfaces so they are easy to operate, even while wearing gloves or mittens in cold weather. Lock knobs lets you adjust the tension on the drawtube to accommodate varying eyepiece\/photo accessory loads, as well as firmly lock in a photographic focus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2\" dielectric star diagonal:\u003c\/strong\u003e The supplied standard equipment 2\" mirror star diagonal of the PRO 120ED slips into the focuser drawtube's 2\" eyepiece\/accessory holder. The 2\" diagonal has 99% reflectivity dielectric mirror coatings for high light transmission. A supplied 1.25\" accessory adapter slips into the 2\" diagonal to let you also use 1.25\" eyepieces. The 1.25\" accessory adapter can also be inserted directly into the 2\" accessory holder on the focuser drawtube to let you use a 1.25\" image erecting diagonal, or 1.25\" photographic accessories.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSupplied eyepieces:\u003c\/strong\u003e Two 1.25\" eyepieces are supplied as standard equipment - a 25mm (35x) and a 5mm (180x).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinderscope:\u003c\/strong\u003e The Sky-Watcher Evostar 120ED comes with an 8 x 50mm right-angle finderscope that is fully-multicoated to insure maximum brightness and contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMounting dovetail:\u003c\/strong\u003e The Sky-Watcher Evostar 120ED apo has dual hinged split-ring tube rings and a dovetail mounting bar that fits directly into the Vixen-style dovetail slot on the head of many of the most popular medium capacity altazimuth and German equatorial mounts. Such mounts include the Astro-Tech Voyager altazimuth II and the Celestron AVX Advanced Series go-to equatorial, among others.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping\/storage case:\u003c\/strong\u003e The scope comes in foam-fitted aluminum-clad shipping\/storage case.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo-year warranty:\u003c\/strong\u003e The Sky-Watcher Evostar 120ED doublet apo is protected by a two-year limited warranty against flaws in materials and workmanship.\u003c\/p\u003e\n\u003ch2\u003eTech Details:\u003c\/h2\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e4.72\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e900mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/7.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e257x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e11.3 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOptical Coatings\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eMetallic High-Transmission Coatings (MHC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e0.97 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplied Eyepiece\u003c\/th\u003e\n\u003ctd class=\"data\"\u003etwo 1.25” LE (Long Eye relief) eyepieces (LET20mm and LET5mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eView Finder\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e8x50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e12.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eS11130\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e050234111300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eOptical Info\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eED Doublet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Coatings\u003c\/td\u003e\n\u003ctd\u003eFully Multi-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlass Type\u003c\/td\u003e\n\u003ctd\u003eBK7\/FPL-53(ED)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrue Aperture (mm)\u003c\/td\u003e\n\u003ctd\u003e120.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Aperture (mm)\u003c\/td\u003e\n\u003ctd\u003e120\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF\/Ratio\u003c\/td\u003e\n\u003ctd\u003e7.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length (mm)\u003c\/td\u003e\n\u003ctd\u003e900\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eObservational Info\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDawes Limit\u003c\/td\u003e\n\u003ctd\u003e0.97\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRayleigh Limit\u003c\/td\u003e\n\u003ctd\u003e1.16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLimiting Mag.\u003c\/td\u003e\n\u003ctd\u003e12.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Magnification\u003c\/td\u003e\n\u003ctd\u003e17\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Magnification\u003c\/td\u003e\n\u003ctd\u003e236\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Gathering (compared to next size down)\u003c\/td\u003e\n\u003ctd\u003e44%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eGeneral Info\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e2\" Dual Speed Crayford\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Length (Retract\/Ext.)\u003c\/td\u003e\n\u003ctd\u003e36\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Outer Diameter\u003c\/td\u003e\n\u003ctd\u003e5.625\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Weight (with accessories)\u003c\/td\u003e\n\u003ctd\u003e13.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eAccessories\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Finder\u003c\/td\u003e\n\u003ctd\u003e8x50 RACI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Diagonal\u003c\/td\u003e\n\u003ctd\u003e2\" Dielectric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Accessories\u003c\/td\u003e\n\u003ctd\u003eRings\/V-Rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Eyepieces\u003c\/td\u003e\n\u003ctd\u003e25mm LET\/5 Planetary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnification w\/ Included Eyepieces\u003c\/td\u003e\n\u003ctd\u003e45x\/180x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Case\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorrector\u003c\/td\u003e\n\u003ctd\u003eNo (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e120mm f\/7.5 ED doublet apochromatic optics\u003c\/li\u003e\n\u003cli\u003eSplit hinged tube rings with a Vixen-style dovetail\u003c\/li\u003e\n\u003cli\u003e8 x 50mm right-angle finderscope\u003c\/li\u003e\n\u003cli\u003e2\" dual speed Crayford focuser\u003c\/li\u003e\n\u003cli\u003e2\" dielectric star diagonal with 2\" and 1.25\" eyepiece holders\u003c\/li\u003e\n\u003cli\u003e25mm (36x) and a 5mm (180x) long eye relief 1.25\" eyepieces\u003c\/li\u003e\n\u003cli\u003eDew shield\u003c\/li\u003e\n\u003cli\u003eDust covers\u003c\/li\u003e\n\u003cli\u003eFoam-fitted carrying case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":40481982971977,"sku":"S11130","price":2490.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/files\/EvoStar120_Main_1800x1800_e0cf87bd-ca1f-47dd-9684-dbcb40b5ab96.webp?v=1723138633"},{"product_id":"sky-watcher-evostar-100ed-100mm-f-9-ed-doublet-apochromatic-refractor","title":"Sky-Watcher Evostar 100ED 100mm f\/9 ED Doublet Apochromatic Refractor S11120","description":"\u003cp\u003eThis 100mm Sky-Watcher Evostar 100ED doublet apochromatic refractor is a premium scope with high contrast\/high resolution performance and premium accessories at a very attractive price . . .\u003c\/p\u003e\n\u003cdiv class=\"heading\"\u003e\u003cstrong\u003eThis Sky-Watcher Evostar 100ED apochromatic refractor has:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e• 100mm f\/9 apochromatic doublet optics using an ED element \u003cbr\u003e• dual-speed 2\" Crayford focuser with 10:1 ratio fine focusing \u003cbr\u003e• 2\" dielectric star diagonal with 2\" and 1.25\" eyepiece holders \u003cbr\u003e• two 1.25\" eyepieces (25mm and 5mm) \u003cbr\u003e• 8 x 50mm right-angle finderscope \u003cbr\u003e• dovetail shoe for installing on a Celestron CG-5 mount or any Vixen-style altazimuth or German equatorial mount\u003cbr\u003e• two-year warranty\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eThe Sky-Watcher Evostar 100ED uses a crown glass element, an ED glass element, and state-of-the-art optical multicoatings in its apochromatic ED doublet optics. Combined with the moderate focal ratio, this results in images with visibly less chromatic aberration than you find in refractors with a similar aperture but faster focal ratio. In addition to the lack of chromatic aberration's annoying halo of unfocused violet light around bright stars and solar system objects, there is no loss in contrast such as you will find in reflector and catadioptric scopes that have a secondary or diagonal mirror hanging in the light path to scatter light..\u003c\/p\u003e\n\u003cp\u003eThe 100mm Sky-Watcher doublet optics are even more appealing when you consider that this Sky-Watcher apo is loaded with features other manufacturers charge extra for (or don't even have available) - such as an 8 x 50mm right-angle finderscope, a 2\" dielectric star diagonal with 1.25\" and 2\" compression ring accessory holders, two 1.25\"  eyepieces (25mm and 5mm); and a foam-lined aluminum-clad carrying case.\u003c\/p\u003e\n\u003cp\u003eThe Sky-Watcher PRO 100ED has enough premium high contrast\/high resolution optical performance to let you use it on an altazimuth or equatorial mount as the heart of your observing system. Its light weight (only 6.6 pounds) doesn't require a big and expensive mount, so it's easy to afford and easy to take out and set up for observing on a moment's notice. Considering its surprisingly low price for an apochromatic doublet, adding in the extra features you get at no extra cost, and in view of the great optical performance that comes as standard equipment, the 100mm Sky-Watcher PRO 100ED is a terrific buy!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures of this telescope . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eApochromatic ED doublet refractor optics: 100mm (3.94\") aperture, 900mm focal length, f\/9 focal ratio.  The ED element is precision-polished from high grade ED (Extra-low Dispersion) glass. This ED element produces superior sharpness and color correction by minimizing the chromatic aberration, the \"false\" color fringing seen around bright objects when light rays pass through standard crown-and-flint doublet objectives. The result is to reduce spurious color halos and fringing to vanishingly low levels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFully multicoated optics:\u003c\/strong\u003e Each air-to-glass surface in the Sky-Watcher Evostar 100ED doublet objective lens has MHC (Metallic High-Transmission Coating) antireflection multicoatings on all air-to-glass surfaces for high light transmission, minimal light scatter, and excellent contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInternal light baffles:\u003c\/strong\u003e Contrast-enhancing internal light baffles in the tube and focuser drawtube and a specially darkened tube interior provide dark sky backgrounds and high terrestrial contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDew shield:\u003c\/strong\u003e The supplied dew shield slows the formation of dew on the lens in cold weather to extend your undisturbed observing time. It also improves the contrast, similar to the effect of the lens shade on a camera lens, when observing during the day or when there is excessive ambient light at night, such as a neighbor's backyard security light. The 6.6 pound optical tube measures 36.22\" long, including the dew shield. A slip-on metal dust cap is standard.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual speed 2\" Crayford focuser:\u003c\/strong\u003e The precision-made no-backlash focuser has dual-speed focusing. There are two coarse focusing knobs. The right knob also has a smaller concentric knob with 10:1 reduction gear microfine focusing. This provides exceptionally precise image control during high magnification visual observing and critical imaging. The large focus knobs have ribbed gripping surfaces so they are easy to operate, even while wearing gloves or mittens in cold weather. Lock knobs lets you adjust the tension on the drawtube to accommodate varying eyepiece\/photo accessory loads, as well as firmly lock in a photographic focus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2\" dielectric star diagonal:\u003c\/strong\u003e The supplied standard equipment 2\" mirror star diagonal of the Evostar 100ED slips into the focuser drawtube's 2\" eyepiece\/accessory holder. The 2\" diagonal has 99% reflectivity dielectric mirror coatings for high light transmission. A supplied 1.25\" accessory adapter slips into the 2\" diagonal to let you also use 1.25\" eyepieces. The 1.25\" accessory adapter can also be inserted directly into the 2\" accessory holder on the focuser drawtube to let you use a 1.25\" image erecting diagonal, or 1.25\" photographic accessories.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSupplied eyepieces:\u003c\/strong\u003e Two 1.25\" eyepieces are supplied as standard equipment - a 25mm (36x) and a 5mm (180x).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinderscope:\u003c\/strong\u003e The Sky-Watcher Evostar 100ED comes with an 8 x 50mm right-angle finderscope that is fully-multicoated to insure maximum brightness and contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMounting dovetail:\u003c\/strong\u003e The Sky-Watcher Evostar100ED apo from Celestron has dual hinged split-ring tube rings and a dovetail mounting bar that fits directly into the Vixen-style dovetail slot on the head of many of the most popular medium capacity altazimuth and German equatorial mounts. Such mounts include the Astro-Tech Voyager II altazimuth and the Celestron AVX Advanced Series go-to equatorial, among others.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping\/storage case:\u003c\/strong\u003e The scope comes in foam-fitted aluminum-clad shipping\/storage case.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo-year warranty:\u003c\/strong\u003e The Sky-Watcher Evostar 100ED doublet apo is protected by a two-year limited warranty against flaws in materials and workmanship.\u003c\/p\u003e\n\u003ch2\u003eTech Details:\u003c\/h2\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e3.94\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e900mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e225x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e6.6 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOptical Coatings\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eMetallic High-Transmission Coatings (MHC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.16 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplied Eyepiece\u003c\/th\u003e\n\u003ctd class=\"data\"\u003etwo 1.25” LE (Long Eye relief) eyepieces (LET20mm and LET5mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eView Finder\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e8x50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e12.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eS11120\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e050234111201\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eOptical Info\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eED Doublet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Coatings\u003c\/td\u003e\n\u003ctd\u003eFully Multi-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlass Type\u003c\/td\u003e\n\u003ctd\u003eBK7\/FPL-53(ED)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrue Aperture (mm)\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Aperture (mm)\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF\/Ratio\u003c\/td\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length (mm)\u003c\/td\u003e\n\u003ctd\u003e900\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eObservational Info\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDawes Limit\u003c\/td\u003e\n\u003ctd\u003e1.16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRayleigh Limit\u003c\/td\u003e\n\u003ctd\u003e1.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLimiting Mag.\u003c\/td\u003e\n\u003ctd\u003e12.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Magnification\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Magnification\u003c\/td\u003e\n\u003ctd\u003e197\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Gathering (compared to next size down)\u003c\/td\u003e\n\u003ctd\u003e56%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eGeneral Info\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e2\" Dual Speed Crayford\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Length (Retract\/Ext.)\u003c\/td\u003e\n\u003ctd\u003e34\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Outer Diameter\u003c\/td\u003e\n\u003ctd\u003e4.5625\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Weight (with accessories)\u003c\/td\u003e\n\u003ctd\u003e8.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eAccessories\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Finder\u003c\/td\u003e\n\u003ctd\u003e8x50 RACI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Diagonal\u003c\/td\u003e\n\u003ctd\u003e2\" Dielectric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Accessories\u003c\/td\u003e\n\u003ctd\u003eRings\/V-Rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Eyepieces\u003c\/td\u003e\n\u003ctd\u003e25mm LET\/5 Planetary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnification w\/ Included Eyepieces\u003c\/td\u003e\n\u003ctd\u003e45x\/180x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Case\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorrector\u003c\/td\u003e\n\u003ctd\u003eNo (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e100mm f\/9 ED doublet apochromatic optics\u003c\/li\u003e\n\u003cli\u003eSplit hinged tube rings with a Vixen-style dovetail\u003c\/li\u003e\n\u003cli\u003e8 x 50mm right-angle finderscope\u003c\/li\u003e\n\u003cli\u003e2\" dual speed Crayford focuser\u003c\/li\u003e\n\u003cli\u003e2\" dielectric star diagonal with 2\" and 1.25\" eyepiece holders\u003c\/li\u003e\n\u003cli\u003e20mm (45x) and a 5mm (180x) long eye relief 1.25\" eyepieces\u003c\/li\u003e\n\u003cli\u003eDew shield\u003c\/li\u003e\n\u003cli\u003eDust covers\u003c\/li\u003e\n\u003cli\u003eFoam-fitted carrying case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":40481983004745,"sku":"S11120","price":1255.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/files\/EvoStar100_Main_1800x1800_34a7b5e0-8f2e-4e90-bd66-97e461c8d2ee.webp?v=1723136280"},{"product_id":"sky-watcher-evostar-80ed-80mm-f-7-5-ed-doublet-apochromatic-refractor","title":"Sky-Watcher Evostar 80ED 80mm f\/7.5 ED Doublet Apochromatic Refractor S11100","description":"\u003cp\u003eThis 80mm Sky-Watcher Evostar 80ED doublet apochromatic refractor is loaded with performance and features at a very attractive price . . .\u003c\/p\u003e\n\u003cdiv class=\"heading\"\u003eThis Sky-Watcher Evostar 80ED apochromatic refractor has:\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e• 80mm f\/7.5 apochromatic doublet optics \u003cbr\u003e• dual-speed 2\" Crayford focuser with 10:1 ratio fine focusing \u003cbr\u003e• 2\" dielectric star diagonal with 2\" and 1.25\" eyepiece holders \u003cbr\u003e• two 1.25\" Long Eye Relief eyepieces (20mm and 5mm) \u003cbr\u003e• 8 x 50mm right-angle finderscope \u003cbr\u003e• dovetail shoe for installing on a Celestron CG-5 mount or any Vixen-style altazimuth or German equatorial mount\u003cbr\u003e• two-year warranty\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe Sky-Watcher Evostar 80ED from Celestron uses a crown glass element, an ED glass element, and state-of-the-art optical multicoatings in its apochromatic ED doublet optics. The result is images that are essentially free of the annoying halo of unfocused violet light (chromatic aberration) that mars the view of bright stars and solar system objects in lesser refractors, even at very high magnifications. In addition, there is no loss in contrast such as you will find in reflector and catadioptric scopes that have a secondary or diagonal mirror hanging in the light path to scatter light.\u003c\/p\u003e\n\u003cp\u003eThe 80mm Sky-Watcher doublet optics are even more appealing when you consider that this Sky-Watcher apo is loaded with features other manufacturers charge extra for (or don't even have available) - such as an 8 x 50mm right-angle finderscope, a 2\" dielectric star diagonal with 1.25\" and 2\" compression ring accessory holders, two 1.25\" LE (Long Eye Relief) eyepieces (LE20mm and LE5mm); and a foam-lined aluminum-clad carrying case.\u003c\/p\u003e\n\u003cp\u003eThe Sky-Watcher Evostar 80ED has enough premium optical performance to let you use it on an altazimuth or equatorial mount as the heart of your observing system. In addition, it is also a natural as a lightweight grab-and-go scope for spur-of-the-moment backyard astronomy, a top-notch travel scope to take across town or around the world, and a nifty astrograph to piggyback on a larger scope for serious wide field imaging. Considering its surprisingly low price for an apochromatic doublet, adding in the extra features you get at no extra cost, and in view of the great optical performance that comes as standard equipment, the 80mm Sky-Watcher Evostar 80ED is a terrific buy!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures of this Sky-Watcher telescope . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApochromatic ED doublet refractor optics:\u003c\/strong\u003e 80mm (3.1\") aperture, 600mm focal length, f\/7.5 focal ratio.  The ED element is precision-polished from high grade ED (Extra-low Dispersion) glass. This ED element produces superior sharpness and color correction by minimizing the chromatic aberration, the \"false\" color fringing seen around bright objects when light rays pass through standard crown-and-flint doublet objectives. The result is to reduce spurious color halos and fringing to vanishingly low levels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFully multicoated optics:\u003c\/strong\u003e Each air-to-glass surface in the Sky-Watcher Evostar 80ED doublet objective lens has MHC (Metallic High-Transmission Coating) antireflection multicoatings on all air-to-glass surfaces for high light transmission, minimal light scatter, and excellent contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInternal light baffles:\u003c\/strong\u003e Contrast-enhancing internal light baffles in the tube and focuser drawtube and a specially darkened tube interior provide dark sky backgrounds and high terrestrial contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDew shield:\u003c\/strong\u003e The supplied dew shield slows the formation of dew on the lens in cold weather to extend your undisturbed observing time. It also improves the contrast, similar to the effect of the lens shade on a camera lens, when observing during the day or when there is excessive ambient light at night, such as a neighbor's backyard security light. The 5.4 pound optical tube measures 23.82\" long, including the dew shield. A slip-on metal dust cap is standard.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual speed 2\" Crayford focuser:\u003c\/strong\u003e The precision-made no-backlash focuser has dual-speed focusing. There are two coarse focusing knobs. The right knob also has a smaller concentric knob with 10:1 reduction gear microfine focusing. This provides exceptionally precise image control during high magnification visual observing and critical DSLR or CCD imaging. The large focus knobs have ribbed gripping surfaces so they are easy to operate, even while wearing gloves or mittens in cold weather. Lock knobs lets you adjust the tension on the drawtube to accommodate varying eyepiece\/photo accessory loads, as well as firmly lock in a photographic focus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2\" dielectric star diagonal:\u003c\/strong\u003e The supplied standard equipment 2\" mirror star diagonal of the Evostar 80ED slips into the focuser drawtube's 2\" eyepiece\/accessory holder. The 2\" diagonal has 99% reflectivity dielectric mirror coatings for high light transmission. A supplied 1.25\" accessory adapter slips into the 2\" diagonal to let you also use 1.25\" eyepieces. The 1.25\" accessory adapter can also be inserted directly into the 2\" accessory holder on the focuser drawtube to let you use a 1.25\" image erecting diagonal, or 1.25\" photographic accessories.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo 1.25\" eyepieces: \u003c\/strong\u003eTwo long eye relief 1.25\" eyepieces are supplied: a 20mm giving a magnification of 30x and a 5mm giving a magnification of 120x.   \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMounting dovetail:\u003c\/strong\u003e The Sky-Watcher Evostar 80ED apo has dual hinged split-ring tube rings and a dovetail mounting bar that fits directly into the Vixen-style dovetail slot on the head of many of the most popular medium capacity altazimuth and German equatorial mounts. Such mounts include the Astro-Tech Voyager II altazimuth and the Celestron AVX Advanced Series go-to equatorial, among others.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinderscope:\u003c\/strong\u003e The Sky-Watcher Evostar 80ED comes with an 8 x 50mm right-angle finderscope that is fully-multicoated to insure maximum brightness and contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping\/storage case:\u003c\/strong\u003e The scope comes in foam-fitted aluminum-clad shipping\/storage case.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo-year warranty:\u003c\/strong\u003e The Sky-Watcher Evostar 80ED doublet apo is protected by a two-year limited warranty against flaws in materials and workmanship.\u003c\/p\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e3.15\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e600mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/7.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeaviest Single Component\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e12 pounds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e171x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOptical Coatings\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eMetallic High-Transmission Coatings (MHC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.45 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eView Finder\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e8x50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e80mm f\/7.5 ED doublet apochromatic optics\u003c\/li\u003e\n\u003cli\u003eSplit hinged tube rings with a Vixen-style dovetail\u003c\/li\u003e\n\u003cli\u003e8 x 50mm right-angle finderscope\u003c\/li\u003e\n\u003cli\u003e2\" dual speed Crayford focuser\u003c\/li\u003e\n\u003cli\u003e2\" dielectric star diagonal with 2\" and 1.25\" eyepiece holders\u003c\/li\u003e\n\u003cli\u003e20mm (30x) and a 5mm (120x) long eye relief 1.25\" eyepieces\u003c\/li\u003e\n\u003cli\u003eDew shield\u003c\/li\u003e\n\u003cli\u003eDust covers\u003c\/li\u003e\n\u003cli\u003eFoam-fitted carrying case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":40481983037513,"sku":"S11100","price":799.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/files\/RS1461_S11100_EvoStar80_LeftFront_NoBackground-scr_1800x1800_81ce4ffd-ef54-42a7-ad78-7001b979b6cc.webp?v=1723141822"},{"product_id":"sky-watcher-evostar-72mm-f-5-8-ed-doublet-apochromatic-refractor","title":"Sky-Watcher Evostar 72mm f\/5.8 ED Doublet Apochromatic Refractor","description":"\u003cp\u003eThe Evostar 72ED is a portable powerhouse. It is true that great things can come in a small package..\u003c\/p\u003e\n\u003cdiv class=\"heading\"\u003e\u003cstrong\u003eThis Sky-Watcher Evostar 72ED apochromatic refractor has:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e• 72mm f\/5.8 apochromatic doublet optics \u003cbr\u003e• dual-speed 2\" Crayford focuser with 10:1 ratio fine focusing \u003cbr\u003e• a pair of split tube rings attached to a vixen style dovetail\u003cbr\u003e• two-year warranty\u003c\/div\u003e\n\u003cdiv class=\"heading\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eThe Sky-Watcher Evostar 72ED from Sky-Watcher uses a crown glass element, an ED glass element, and state-of-the-art optical multicoatings in its apochromatic ED doublet optics. The result is images that are essentially free of the annoying halo of unfocused violet light (chromatic aberration) that mars the view of bright stars and solar system objects in lesser refractors, even at very high magnifications. In addition, there is no loss in contrast such as you will find in reflector and catadioptric scopes that have a secondary or diagonal mirror hanging in the light path to scatter light.\u003c\/p\u003e\n\u003cp\u003eThe Sky-Watcher Evostar 72ED has enough premium optical performance to let you use it on an altazimuth or equatorial mount as the heart of your observing system. In addition, it is also a natural as a lightweight grab-and-go scope for spur-of-the-moment backyard astronomy, a top-notch travel scope to take across town or around the world, and a nifty astrograph to piggyback on a larger scope for serious wide field imaging. Considering its surprisingly low price for an apochromatic doublet the 72mm Sky-Watcher Evostar 80ED is a terrific buy!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures of this Sky-Watcher telescope . . .\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApochromatic ED doublet refractor optics:\u003c\/strong\u003e 72mm aperture, 420mm focal length, f\/5.8 focal ratio.  The ED element is precision-polished from high grade ED (Extra-low Dispersion) glass. This ED element produces superior sharpness and color correction by minimizing the chromatic aberration, the \"false\" color fringing seen around bright objects when light rays pass through standard crown-and-flint doublet objectives. The result is to reduce spurious color halos and fringing to vanishingly low levels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFully multicoated optics:\u003c\/strong\u003e Each air-to-glass surface in the Sky-Watcher Evostar 72ED doublet objective lens has MHC (Metallic High-Transmission Coating) antireflection multicoatings on all air-to-glass surfaces for high light transmission, minimal light scatter, and excellent contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInternal light baffles:\u003c\/strong\u003e Contrast-enhancing internal light baffles in the tube and focuser drawtube and a specially darkened tube interior provide dark sky backgrounds and high terrestrial contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDew shield:\u003c\/strong\u003e The supplied dew shield slows the formation of dew on the lens in cold weather to extend your undisturbed observing time. It also improves the contrast, similar to the effect of the lens shade on a camera lens, when observing during the day or when there is excessive ambient light at night, such as a neighbor's backyard security light. The 4.3 pound optical tube measures 16.5\" long, including the dew shield. A slip-on metal dust cap is standard.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual speed 2\" Crayford focuser:\u003c\/strong\u003e The precision-made no-backlash focuser has dual-speed focusing. There are two coarse focusing knobs. The right knob also has a smaller concentric knob with 10:1 reduction gear microfine focusing. This provides exceptionally precise image control during high magnification visual observing and critical DSLR or CCD imaging. The large focus knobs have ribbed gripping surfaces so they are easy to operate, even while wearing gloves or mittens in cold weather. Lock knobs lets you adjust the tension on the drawtube to accommodate varying eyepiece\/photo accessory loads, as well as firmly lock in a photographic focus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMounting System:\u003c\/strong\u003e The Sky-Watcher Evostar 72ED apo has dual hinged split-ring tube rings and a dovetail mounting bar that fits directly into the Vixen-style dovetail slot on the head of many of the most popular medium capacity altazimuth and German equatorial mounts. Such mounts include the Astro-Tech Voyager II altazimuth and the Celestron AVX Advanced Series go-to equatorial, among others.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping\/storage case:\u003c\/strong\u003e The scope comes in foam-fitted aluminum-clad shipping\/storage case.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo-year warranty:\u003c\/strong\u003e The Sky-Watcher Evostar 72ED doublet apo is protected by a two-year limited warranty against flaws in materials and workmanship.\u003c\/p\u003e\n\u003ch2\u003eTech Details:\u003c\/h2\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eS11180\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e050234111805\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eOptical Info\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eED Doublet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Coatings\u003c\/td\u003e\n\u003ctd\u003eFully Multi-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrue Aperture (mm)\u003c\/td\u003e\n\u003ctd\u003e72\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Aperture (mm)\u003c\/td\u003e\n\u003ctd\u003e72\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF\/Ratio\u003c\/td\u003e\n\u003ctd\u003e5.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length (mm)\u003c\/td\u003e\n\u003ctd\u003e420\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eObservational Info\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDawes Limit\u003c\/td\u003e\n\u003ctd\u003e1.61\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRayleigh Limit\u003c\/td\u003e\n\u003ctd\u003e1.94\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLimiting Mag.\u003c\/td\u003e\n\u003ctd\u003e11.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Magnification\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Magnification\u003c\/td\u003e\n\u003ctd\u003e142\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eGeneral Info\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e2\" Dual Speed Crayford\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Length (Retract\/Ext.)\u003c\/td\u003e\n\u003ctd\u003e16.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Outer Diameter\u003c\/td\u003e\n\u003ctd\u003e3.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Weight (with accessories)\u003c\/td\u003e\n\u003ctd\u003e4.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eAccessories\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Accessories\u003c\/td\u003e\n\u003ctd\u003eRings\/V-Rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Case\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorrector\u003c\/td\u003e\n\u003ctd\u003eNo (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":40481983070281,"sku":"S11180","price":540.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/files\/S11180_Evostar72ED_Front_NoBackground_1800x1800_ccc97571-837b-4989-a3f9-766edee766ef.webp?v=1723141477"},{"product_id":"tele-vue-tv-76-3-76mm-f-6-3-evergreen-tube-black-trim-apo","title":"TeleVue TV-76 3\" (76mm) f\/6.3 Evergreen Tube\/Black Trim APO Refractor OTA","description":"\u003cp\u003eThe TV-76 uses a 3\" (76mm) true apochromatic doublet lens using an SD (special dispersion) glass element. Thanks to this special low chromatic dispersion glass, chromatic aberration is essentially non-existent with the TV-76, even at magnifications over the theoretical limit of 60x per inch of aperture.\u003c\/p\u003e\n\u003cp\u003eThis evergreen and black TV-76 optical tube has a 2\" rack and pinion focuser with a non-marring brass clamp ring that holds 2\" star diagonals and accessories securely in place. It comes in a soft foam-fitted Cordura-style nylon carrying case that has cutouts for six eyepieces in addition to the scope. A retractable lens shade improves daytime contrast when viewing at low sun angles and protects against dewing at night. A thread-in metal dust cap protects the optics from damage while stored or traveling.\u003c\/p\u003e\n\u003cp\u003eYou will need the optional split-ring tube holder\/tripod adapter that allows you to mount it on any optional sturdy photo tripod for casual use, or on an optional equatorial or altazimuth mount (such as the TeleVue Tele-Pod and Panoramic mounts) for more serious observing. The split ring design of the tube holder allows the TV-76 to be moved fore and aft in the adapter to balance the weight of camera or accessories.  You can also choose to use your own rings or rings from another manufacturer.\u003c\/p\u003e\n\u003cp\u003ePut in an optional lower power eyepiece and the TV-76 becomes a true rich field telescope, capable of scanning wide scenic vistas by day and revealing multitudes of large, faint deep space objects by night. With an optional 1.25\" 40mm TeleVue Plössl (12x, with a 3.5 degree field), or a 2\" 35mm TeleVue Panoptic (14x, with a 4.7 degree field that's wide and flat to the very edges), the TV-76 is not only a superlative rich field scope, but it is its own best finderscope, as well.\u003c\/p\u003e\n\u003cp\u003eIt's also excellent as a terrestrial spotting scope for vacations, birding, or nature studies. In addition, optional camera adapters turn the TV-76 into excellent 480mm (9.6x) f\/6.3 telephoto lens for terrestrial and lunar photography.\u003c\/p\u003e\n\u003cp\u003eOptional shorter focal length eyepieces and\/or Barlow lenses will provide high powers to let you examine details in the storm belts of Jupiter, the rings of Saturn, the mountains of the Moon, and much more. And the resolution of those details will be crisp and detailed, often visibly superior to larger telescopes more easily affected by atmospheric conditions.\u003c\/p\u003e\n\u003cp\u003eHere are some excerpts about the scope's optical performance from a review of the TV-76 in the September 2002 Astronomy magazine. Concerning double stars and planets, the magazine said \"In-and-out-of-focus star tests, star diffraction patterns, and the ability to resolve various double stars reveal the TV 76's top-notch optical quality. If the atmospheric seeing permits, the TV 76 easily resolves doubles with a separation at the theoretical limit of a 76mm aperture scope of 1.6 arc-seconds. Planetary views in the TV 76 are best seen through the higher magnifications offered by the 3mm-6mm Nagler Zoom eyepiece. Jupiter and Saturn reveal subtle color variations and both planets' retinues of moons are visible. When the seeing conditions are good, the TV 76 reveals atmospheric belts on Jupiter beyond the two prominent equatorial belts, as well as Cassini's division in the rings of Saturn.\" About the Moon, the magazine said \"The moon seen through the TV 76 is tack-sharp at all magnifications, with no glare or false colors in the view. Stars near the bright limb of the moon are easily picked out because of the absence of glare in the telescope.\"\u003c\/p\u003e\n\u003cp\u003eWhile the 76mm aperture of the TV-76 might make it more a \"light cup,\" rather than the more familiar Dobsonian reflector \"light bucket,\" Astronomy had the following to say about the TV-76 performance outside the solar system. \"When used as a rich-field scope for deep-sky viewing, the TV 76 excels. With a long focus eyepiece in the 2-inch diagonal, the scope offers impressive views of \"showpiece\" objects that are too large in angular diameter to fit into the smaller fields of view of larger telescopes. Under a dark Arizona sky, the Andromeda Galaxy (M31) shows its full 3° extent, including its central dust lanes and two companion galaxies - M32 and NGC 205. Dozens of stars in the Pleiades cluster look like sparkling diamonds scattered on black velvet.\u003c\/p\u003e\n\u003cp\u003e\"The TV 76 'light cup' provides surprisingly good views of large nebular objects. I threaded Lumicon's UHC (Ultra High Contrast) filter into the 'pineapple' eyepiece (i.e. the Nagler 31mm Type 5) and it yielded clear views of the full extents of the North America Nebula and of the Cygnus Loop, a supernova remnant in the summer Milky Way.\" All in all, the Astronomy review called the TeleVue TV-76 \"a fine choice for observers who require both high quality and extreme portability.\"\u003c\/p\u003e\n\u003cp\u003eAn optional TeleVue Qwik-Point non-magnifying illuminated finder quickly attaches to the scope's mounting ring. The Qwik-Point seems to project a small red ball of light wherever the scope is aimed, day or night, making it easy to align it on distant objects.\u003c\/p\u003e\n\u003cp\u003eThere are few optical systems that combine into one very compact body the ability to be customized into a serious astronomical telescope with true apochromatic optics, a terrestrial spotting scope, and a top-quality telephoto lens - but the TV-76 does it all beautifully. Whether you want to observe the skies from your back yard on the spur of the moment, or travel round the world with a very portable telescope that will reveal and photograph everything nearby and distant, you'll find it hard to beat this truly exceptional TeleVue refractor.\u003c\/p\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e3\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e480mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/6.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeaviest Single Component\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5.1 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e160x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e7 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.52 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplied Eyepiece\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e20mm 1.25\" Plossl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e11.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEvergreen body with black trim\u003c\/li\u003e\n\u003cli\u003e3\" ED glass apo optics\u003c\/li\u003e\n\u003cli\u003e2\" rack and pinion focuser with brass clamp ring accessory holder\u003c\/li\u003e\n\u003cli\u003eSelf-storing metal dew cap\u003c\/li\u003e\n\u003cli\u003eThread-in metal objective lens cover\u003c\/li\u003e\n\u003cli\u003eSoft fitted carrying case with shoulder strap.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TeleVue","offers":[{"title":"Default Title","offer_id":40481983135817,"sku":"476G","price":1734.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/files\/GXO_3065_TV76_OTA_Green_v2.jpg?v=1723751255"},{"product_id":"tele-vue-tv-76-3-76mm-f-6-3-ivory-tube-black-trim-apo","title":"TeleVue TV-76 3\" (76mm) f\/6.3 Ivory Tube\/Black Trim APO Refractor OTA","description":"\u003cp\u003eThis TeleVue TV-76 refractor has out of this world optics in a very compact 14.5\" long body. It's small enough and light enough to take anywhere with a minimum of fuss and a maximum of optical enjoyment.\u003c\/p\u003e\n\u003cp\u003eThe TV-76 uses a 3\" (76mm) true apochromatic doublet lens using an SD (special dispersion) glass element. Thanks to this special low chromatic dispersion glass, chromatic aberration is essentially non-existent with the TV-76, even at magnifications over the theoretical limit of 60x per inch of aperture.\u003c\/p\u003e\n\u003cp\u003eThis ivory and black TV-76 optical tube has a 2\" rack and pinion focuser with a non-marring brass clamp ring that holds 2\" star diagonals and accessories securely in place. It comes in a soft foam-fitted Cordura-style nylon carrying case that has cutouts for six eyepieces in addition to the scope. A retractable lens shade improves daytime contrast when viewing at low sun angles and protects against dewing at night. A thread-in metal dust cap protects the optics from damage while stored or traveling.\u003c\/p\u003e\n\u003cp\u003eYou will need an optional split-ring tube holder\/tripod adapter allows you to mount it on any optional sturdy photo tripod for casual use, or on an optional equatorial or altazimuth mount (such as the TeleVue Tele-Pod and Panoramic mounts) for more serious observing. The split ring design of the tube holder allows the TV-76 to be moved fore and aft in the adapter to balance the weight of camera or accessories.\u003c\/p\u003e\n\u003cp\u003ePut in an optional lower power eyepiece and the TV-76 becomes a true rich field telescope, capable of scanning wide scenic vistas by day and revealing multitudes of large, faint deep space objects by night. With an optional 1.25\" 40mm TeleVue Plössl (12x, with a 3.5 degree field), or a 2\" 35mm TeleVue Panoptic (14x, with a 4.7 degree field that's wide and flat to the very edges), the TV-76 is not only a superlative rich field scope, but it is its own best finderscope, as well.\u003c\/p\u003e\n\u003cp\u003eIt's also excellent as a terrestrial spotting scope for vacations, birding, or nature studies. In addition, optional camera adapters turn the TV-76 into excellent 480mm (9.6x) f\/6.3 telephoto lens for terrestrial and lunar photography.\u003c\/p\u003e\n\u003cp\u003eOptional shorter focal length eyepieces and\/or Barlow lenses will provide high powers to let you examine details in the storm belts of Jupiter, the rings of Saturn, the mountains of the Moon, and much more. And the resolution of those details will be crisp and detailed, often visibly superior to larger telescopes more easily affected by atmospheric conditions.\u003c\/p\u003e\n\u003cp\u003eHere are some excerpts about the scope's optical performance from a review of the TV-76 in the September 2002 Astronomy magazine. Concerning double stars and planets, the magazine said \"In-and-out-of-focus star tests, star diffraction patterns, and the ability to resolve various double stars reveal the TV 76's top-notch optical quality. If the atmospheric seeing permits, the TV 76 easily resolves doubles with a separation at the theoretical limit of a 76mm aperture scope of 1.6 arc-seconds. Planetary views in the TV 76 are best seen through the higher magnifications offered by the 3mm-6mm Nagler Zoom eyepiece. Jupiter and Saturn reveal subtle color variations and both planets' retinues of moons are visible. When the seeing conditions are good, the TV 76 reveals atmospheric belts on Jupiter beyond the two prominent equatorial belts, as well as Cassini's division in the rings of Saturn.\" About the Moon, the magazine said \"The moon seen through the TV 76 is tack-sharp at all magnifications, with no glare or false colors in the view. Stars near the bright limb of the moon are easily picked out because of the absence of glare in the telescope.\"\u003c\/p\u003e\n\u003cp\u003eWhile the 76mm aperture of the TV-76 might make it more a \"light cup,\" rather than the more familiar Dobsonian reflector \"light bucket,\" Astronomy had the following to say about the TV-76 performance outside the solar system. \"When used as a rich-field scope for deep-sky viewing, the TV 76 excels. With a long focus eyepiece in the 2-inch diagonal, the scope offers impressive views of \"showpiece\" objects that are too large in angular diameter to fit into the smaller fields of view of larger telescopes. Under a dark Arizona sky, the Andromeda Galaxy (M31) shows its full 3° extent, including its central dust lanes and two companion galaxies - M32 and NGC 205. Dozens of stars in the Pleiades cluster look like sparkling diamonds scattered on black velvet.\u003c\/p\u003e\n\u003cp\u003e\"The TV 76 'light cup' provides surprisingly good views of large nebular objects. I threaded Lumicon's UHC (Ultra High Contrast) filter into the 'pineapple' eyepiece (i.e. the Nagler 31mm Type 5) and it yielded clear views of the full extents of the North America Nebula and of the Cygnus Loop, a supernova remnant in the summer Milky Way.\" All in all, the Astronomy review called the TeleVue TV-76 \"a fine choice for observers who require both high quality and extreme portability.\"\u003c\/p\u003e\n\u003cp\u003eAn optional TeleVue Qwik-Point non-magnifying illuminated finder quickly attaches to the scope's mounting ring. The Qwik-Point seems to project a small red ball of light wherever the scope is aimed, day or night, making it easy to align it on distant objects.\u003c\/p\u003e\n\u003cp\u003eThere are few optical systems that combine into one very compact body the ability to be customized into a serious astronomical telescope with true apochromatic optics, a terrestrial spotting scope, and a top-quality telephoto lens - but the TV-76 does it all beautifully. Whether you want to observe the skies from your back yard on the spur of the moment, or travel round the world with a very portable telescope that will reveal and photograph everything nearby and distant, you'll find it hard to beat this truly exceptional TeleVue refractor.\u003c\/p\u003e\n\u003ch2\u003eTech Details: \u003c\/h2\u003e\n\u003ctable class=\"table\" id=\"product-attribute-specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAperture\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e3\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e480mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ef\/6.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeaviest Single Component\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5.1 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHighest Useful Magnification\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e160x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e7 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.52 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplied Eyepiece\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e20mm 1.25\" Plossl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelescope Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVisual Limiting Magnitude\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e11.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSupplied Accessories: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIvory body with black trim\u003c\/li\u003e\n\u003cli\u003e3\" ED glass apo optics\u003c\/li\u003e\n\u003cli\u003e2\" rack and pinion focuser with brass clamp ring accessory holder\u003c\/li\u003e\n\u003cli\u003eSelf-storing metal dew cap\u003c\/li\u003e\n\u003cli\u003eThread-in metal objective lens cover\u003c\/li\u003e\n\u003cli\u003eSoft fitted carrying case with shoulder strap\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TeleVue","offers":[{"title":"Default Title","offer_id":40481983168585,"sku":"476I","price":1734.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/files\/WXO_3065_TV76_OTA_White_v2.jpg?v=1723752971"}],"url":"https:\/\/astronomics.com\/collections\/refractors\/apo.oembed?page=2","provider":"Astronomics","version":"1.0","type":"link"}