{"title":"Focusing Aids","description":"","products":[{"product_id":"astrozap-focusing-cap-with-built-in-bahtinov-focusing-mask-for-meade-etx-90-and-similar-scopes","title":"Astrozap Focusing Cap with Built-In Bahtinov Focusing Mask for Meade ETX-90 and Similar Scopes","description":"\u003ch3 data-start=\"219\" data-end=\"310\" class=\"\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask – For Meade ETX-90 and Similar Scopes\u003c\/h3\u003e\n\u003cp data-start=\"312\" data-end=\"668\" class=\"\"\u003eThe \u003cstrong data-start=\"316\" data-end=\"332\"\u003eMeade ETX-90\u003c\/strong\u003e and other compact Maksutov-Cassegrain telescopes deliver impressive optical performance in a portable package—but nailing perfect focus at high powers or with a camera can be a challenge. Enter the \u003cstrong data-start=\"531\" data-end=\"584\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask\u003c\/strong\u003e, the ideal accessory for fine-tuning focus with ease, accuracy, and zero guesswork.\u003c\/p\u003e\n\u003cp data-start=\"670\" data-end=\"1159\" class=\"\"\u003eCustom-fit for \u003cstrong data-start=\"685\" data-end=\"701\"\u003eMeade ETX-90\u003c\/strong\u003e and similar small-aperture scopes, this clever cap combines a \u003cstrong data-start=\"764\" data-end=\"789\"\u003eprotective dust cover\u003c\/strong\u003e with a \u003cstrong data-start=\"797\" data-end=\"832\"\u003ebuilt-in Bahtinov focusing mask\u003c\/strong\u003e, accessed via a smooth \u003cstrong data-start=\"856\" data-end=\"875\"\u003esliding shutter\u003c\/strong\u003e. When opened, the mask reveals a diffraction pattern around a bright star. Simply adjust focus until the central spike is centered between the other two, and you’re in sharp, pinpoint focus. Close the shutter when you're done, and the cap resumes its role as a full-time dust shield.\u003c\/p\u003e\n\u003cp data-start=\"1161\" data-end=\"1349\" class=\"\"\u003eWhether you're a planetary imager, a lunar observer, or a casual stargazer who wants to get the most out of your optics, this compact upgrade makes your ETX more powerful—and more precise.\u003c\/p\u003e\n\u003ch3 data-start=\"1351\" data-end=\"1364\" class=\"\"\u003eFeatures:\u003c\/h3\u003e\n\u003cul data-start=\"1365\" data-end=\"1768\"\u003e\n\u003cli data-start=\"1365\" data-end=\"1441\" class=\"\"\u003e\n\u003cp data-start=\"1367\" data-end=\"1441\" class=\"\"\u003eDesigned for \u003cstrong data-start=\"1380\" data-end=\"1396\"\u003eMeade ETX-90\u003c\/strong\u003e and similar ~90mm Maksutov-Cassegrain scopes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1442\" data-end=\"1510\" class=\"\"\u003e\n\u003cp data-start=\"1444\" data-end=\"1510\" class=\"\"\u003eCombines a \u003cstrong data-start=\"1455\" data-end=\"1467\"\u003edust cap\u003c\/strong\u003e with a \u003cstrong data-start=\"1475\" data-end=\"1510\"\u003ebuilt-in Bahtinov focusing mask\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1511\" data-end=\"1587\" class=\"\"\u003e\n\u003cp data-start=\"1513\" data-end=\"1587\" class=\"\"\u003e\u003cstrong data-start=\"1513\" data-end=\"1539\"\u003eSliding shutter design\u003c\/strong\u003e reveals the mask when needed, hides it when not\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1588\" data-end=\"1654\" class=\"\"\u003e\n\u003cp data-start=\"1590\" data-end=\"1654\" class=\"\"\u003eEnables fast, precise focusing using diffraction spike alignment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1655\" data-end=\"1722\" class=\"\"\u003e\n\u003cp data-start=\"1657\" data-end=\"1722\" class=\"\"\u003eLightweight and compact—perfect for travel and grab-and-go setups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1723\" data-end=\"1768\" class=\"\"\u003e\n\u003cp data-start=\"1725\" data-end=\"1768\" class=\"\"\u003eDurable construction for repeated field use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1770\" data-end=\"1793\" class=\"\"\u003eCompatibility Note:\u003c\/h3\u003e\n\u003cp data-start=\"1794\" data-end=\"1988\" class=\"\"\u003eSized specifically for front cell diameters found on the \u003cstrong data-start=\"1851\" data-end=\"1867\"\u003eMeade ETX-90\u003c\/strong\u003e and other small Maks. If you’re unsure whether this will fit your scope, reach out and we’ll help confirm compatibility.\u003c\/p\u003e\n\u003ch3 data-start=\"1990\" data-end=\"2008\" class=\"\"\u003eObserving Tip:\u003c\/h3\u003e\n\u003cp data-start=\"2009\" data-end=\"2277\" class=\"\"\u003eThe ETX-90’s long focal length and narrow focus range make accurate focusing especially important—especially for planetary and lunar detail. This focusing cap helps you lock in ideal focus in seconds, and you’ll never misplace it because it’s always on your telescope.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Astrozap","offers":[{"title":"Default Title","offer_id":40221665919049,"sku":"FC90AZ","price":82.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/17204.jpg?v=1662967775"},{"product_id":"astrozap-focusing-cap-with-built-in-bahtinov-focusing-mask-for-80mm-refractors-and-similar-scopes","title":"Astrozap Focusing Cap With Built-In Bahtinov Focusing Mask for 80mm Refractors and Similar Scopes","description":"\u003ch3 data-start=\"163\" data-end=\"255\" class=\"\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask – For 80mm Refractors and Similar OTAs\u003c\/h3\u003e\n\u003cp data-start=\"257\" data-end=\"628\" class=\"\"\u003eSmall refractors punch well above their weight in clarity, portability, and versatility—but when it comes to imaging or high-power observing, \u003cstrong data-start=\"399\" data-end=\"416\"\u003eprecise focus\u003c\/strong\u003e is everything. The \u003cstrong data-start=\"436\" data-end=\"489\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask\u003c\/strong\u003e is purpose-built for \u003cstrong data-start=\"511\" data-end=\"549\"\u003e80mm refractors and similar scopes\u003c\/strong\u003e, combining an ultra-accurate focusing tool with a snug-fitting protective cap.\u003c\/p\u003e\n\u003cp data-start=\"630\" data-end=\"1084\" class=\"\"\u003eWith its \u003cstrong data-start=\"639\" data-end=\"676\"\u003eintegrated Bahtinov focusing mask\u003c\/strong\u003e, you can dial in razor-sharp focus in seconds using a bright star and your camera or live view. Just \u003cstrong data-start=\"778\" data-end=\"813\"\u003eslide open the internal shutter\u003c\/strong\u003e to reveal the precision-cut mask. When the central diffraction spike is centered between the outer pair, you're in perfect focus. Slide the shutter closed, and you’ve got full dust and moisture protection back in place—no need to remove or fumble with extra accessories.\u003c\/p\u003e\n\u003cp data-start=\"1086\" data-end=\"1235\" class=\"\"\u003eThis compact and lightweight design is ideal for fast APOs, doublet EDs, and travel scopes that demand performance but don’t have room for guesswork.\u003c\/p\u003e\n\u003ch3 data-start=\"1237\" data-end=\"1250\" class=\"\"\u003eFeatures:\u003c\/h3\u003e\n\u003cul data-start=\"1251\" data-end=\"1693\"\u003e\n\u003cli data-start=\"1251\" data-end=\"1325\" class=\"\"\u003e\n\u003cp data-start=\"1253\" data-end=\"1325\" class=\"\"\u003eDesigned for \u003cstrong data-start=\"1266\" data-end=\"1294\"\u003e80mm aperture refractors\u003c\/strong\u003e and similar optical tube sizes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1326\" data-end=\"1402\" class=\"\"\u003e\n\u003cp data-start=\"1328\" data-end=\"1402\" class=\"\"\u003eCombines a \u003cstrong data-start=\"1339\" data-end=\"1356\"\u003eBahtinov mask\u003c\/strong\u003e and \u003cstrong data-start=\"1361\" data-end=\"1373\"\u003edust cap\u003c\/strong\u003e in a single, sleek accessory\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1403\" data-end=\"1487\" class=\"\"\u003e\n\u003cp data-start=\"1405\" data-end=\"1487\" class=\"\"\u003e\u003cstrong data-start=\"1405\" data-end=\"1424\"\u003eSliding shutter\u003c\/strong\u003e makes transitioning between focus and storage quick and simple\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1488\" data-end=\"1555\" class=\"\"\u003e\n\u003cp data-start=\"1490\" data-end=\"1555\" class=\"\"\u003ePerfect for critical focusing in imaging or visual planetary work\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1556\" data-end=\"1626\" class=\"\"\u003e\n\u003cp data-start=\"1558\" data-end=\"1626\" class=\"\"\u003eLightweight, durable construction that’s built for regular field use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1627\" data-end=\"1693\" class=\"\"\u003e\n\u003cp data-start=\"1629\" data-end=\"1693\" class=\"\"\u003eA must-have tool for fast f\/6 to f\/7 refractors used for imaging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1695\" data-end=\"1718\" class=\"\"\u003eCompatibility Note:\u003c\/h3\u003e\n\u003cp data-start=\"1719\" data-end=\"1926\" class=\"\"\u003eThis model is designed to fit the \u003cstrong data-start=\"1753\" data-end=\"1782\"\u003eouter dew shield diameter\u003c\/strong\u003e of most 80mm-class refractors. Fit may vary slightly between manufacturers—reach out if you need help confirming compatibility with your scope.\u003c\/p\u003e\n\u003ch3 data-start=\"1928\" data-end=\"1946\" class=\"\"\u003eObserving Tip:\u003c\/h3\u003e\n\u003cp data-start=\"1947\" data-end=\"2195\" class=\"\"\u003eWith a fast 80mm refractor, just a nudge of the focuser can throw off sharpness—especially when using a narrowband filter or shooting with a cooled camera. This cap gives you a fast, repeatable, and foolproof way to get tack-sharp stars every time.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Astrozap","offers":[{"title":"Default Title","offer_id":40221665984585,"sku":"FC80AZ","price":85.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/17205.jpg?v=1662967777"},{"product_id":"astrozap-focusing-cap-built-in-bahtinov-focusing-mask-for-celestron-4-or-meade-etx105-maks","title":"Astrozap Focusing Cap - Built-In Bahtinov Focusing Mask for Celestron 4\" or Meade ETX105 Maks","description":"\u003ch3 data-start=\"178\" data-end=\"270\" class=\"\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask – For Celestron 4\" Maks \u0026amp; Meade ETX105\u003c\/h3\u003e\n\u003cp data-start=\"272\" data-end=\"587\" class=\"\"\u003eDon’t let your compact telescope fool you—precise focus is just as critical on small optics as it is on the big rigs. Whether you're using a \u003cstrong data-start=\"413\" data-end=\"438\"\u003eCelestron 4\" Maksutov\u003c\/strong\u003e or a \u003cstrong data-start=\"444\" data-end=\"460\"\u003eMeade ETX105\u003c\/strong\u003e, the \u003cstrong data-start=\"466\" data-end=\"519\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask\u003c\/strong\u003e brings professional-level focus accuracy to your grab-and-go setup.\u003c\/p\u003e\n\u003cp data-start=\"589\" data-end=\"1018\" class=\"\"\u003eThis compact dual-purpose cap fits snugly over the corrector plate of your Mak or similar small-aperture telescope. Hidden behind a \u003cstrong data-start=\"721\" data-end=\"740\"\u003esliding shutter\u003c\/strong\u003e, the integrated \u003cstrong data-start=\"757\" data-end=\"783\"\u003eBahtinov focusing mask\u003c\/strong\u003e produces a crisp diffraction pattern when aimed at a bright star. As you fine-tune focus, the central spike shifts position—when it’s perfectly centered, you’re in sharp, repeatable focus. No trial and error. No wasted imaging frames.\u003c\/p\u003e\n\u003cp data-start=\"1020\" data-end=\"1339\" class=\"\"\u003eWhen you’re done, simply close the shutter and the cap functions as a \u003cstrong data-start=\"1090\" data-end=\"1110\"\u003efull dust shield\u003c\/strong\u003e, keeping your front element safe during transport and storage. It’s a fast, efficient, and compact upgrade that makes a big difference in your focusing workflow—especially valuable on smaller scopes with narrow focus tolerances.\u003c\/p\u003e\n\u003ch3 data-start=\"1341\" data-end=\"1354\" class=\"\"\u003eFeatures:\u003c\/h3\u003e\n\u003cul data-start=\"1355\" data-end=\"1777\"\u003e\n\u003cli data-start=\"1355\" data-end=\"1427\" class=\"\"\u003e\n\u003cp data-start=\"1357\" data-end=\"1427\" class=\"\"\u003eDesigned for \u003cstrong data-start=\"1370\" data-end=\"1406\"\u003eCelestron 4\" Maksutov-Cassegrain\u003c\/strong\u003e and \u003cstrong data-start=\"1411\" data-end=\"1427\"\u003eMeade ETX105\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1428\" data-end=\"1507\" class=\"\"\u003e\n\u003cp data-start=\"1430\" data-end=\"1507\" class=\"\"\u003eCombines a \u003cstrong data-start=\"1441\" data-end=\"1467\"\u003eBahtinov focusing mask\u003c\/strong\u003e and \u003cstrong data-start=\"1472\" data-end=\"1495\"\u003eprotective dust cap\u003c\/strong\u003e in one unit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1508\" data-end=\"1572\" class=\"\"\u003e\n\u003cp data-start=\"1510\" data-end=\"1572\" class=\"\"\u003e\u003cstrong data-start=\"1510\" data-end=\"1539\"\u003eSliding shutter mechanism\u003c\/strong\u003e lets you switch modes in seconds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1573\" data-end=\"1644\" class=\"\"\u003e\n\u003cp data-start=\"1575\" data-end=\"1644\" class=\"\"\u003eEnables fast, precise focusing using the Bahtinov diffraction pattern\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1645\" data-end=\"1711\" class=\"\"\u003e\n\u003cp data-start=\"1647\" data-end=\"1711\" class=\"\"\u003eLightweight and compact—ideal for travel scopes and smaller OTAs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1712\" data-end=\"1777\" class=\"\"\u003e\n\u003cp data-start=\"1714\" data-end=\"1777\" class=\"\"\u003ePerfect for imaging or high-power lunar and planetary observing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1779\" data-end=\"1802\" class=\"\"\u003eCompatibility Note:\u003c\/h3\u003e\n\u003cp data-start=\"1803\" data-end=\"2013\" class=\"\"\u003eThis cap is specifically sized for scopes with front cell diameters matching the \u003cstrong data-start=\"1884\" data-end=\"1907\"\u003eCelestron 102mm Mak\u003c\/strong\u003e and \u003cstrong data-start=\"1912\" data-end=\"1928\"\u003eMeade ETX105\u003c\/strong\u003e, and may also fit similar compact Maksutov-Cassegrain telescopes with ~4\" apertures.\u003c\/p\u003e\n\u003ch3 data-start=\"2015\" data-end=\"2033\" class=\"\"\u003eObserving Tip:\u003c\/h3\u003e\n\u003cp data-start=\"2034\" data-end=\"2321\" class=\"\"\u003eSmall Maks and compact imaging scopes offer excellent contrast and portability—but they don’t give much room for focus error. This cap lets you focus faster and more confidently, which is especially helpful for planetary imaging, double star work, and public outreach where time matters.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Astrozap","offers":[{"title":"Default Title","offer_id":40221666017353,"sku":"FC105AZ","price":86.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/17206.jpg?v=1662967779"},{"product_id":"astrozap-focusing-cap-bahtinov-focusing-mask-celestron-5-sct-or-astro-tech-at115edt","title":"Astrozap Focusing Cap - Bahtinov Focusing Mask - Celestron 5\" SCT or Astro-Tech AT115EDT","description":"\u003ch3 data-start=\"204\" data-end=\"302\" class=\"\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask – For Celestron 5\" SCT \u0026amp; Astro-Tech AT115EDT\u003c\/h3\u003e\n\u003cp data-start=\"304\" data-end=\"680\" class=\"\"\u003ePerfect focus doesn’t have to be a guessing game. Whether you're using the compact \u003cstrong data-start=\"387\" data-end=\"407\"\u003eCelestron 5\" SCT\u003c\/strong\u003e or the critically acclaimed \u003cstrong data-start=\"436\" data-end=\"477\"\u003eAstro-Tech AT115EDT triplet refractor\u003c\/strong\u003e, the \u003cstrong data-start=\"483\" data-end=\"536\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask\u003c\/strong\u003e gives you the accuracy of a dedicated focusing tool with the convenience of a dust cap—no extra accessories to juggle, no fumbling in the dark.\u003c\/p\u003e\n\u003cp data-start=\"682\" data-end=\"1105\" class=\"\"\u003eThis dual-purpose cap features a \u003cstrong data-start=\"715\" data-end=\"742\"\u003eprecision Bahtinov mask\u003c\/strong\u003e built into the front cover, hidden behind a \u003cstrong data-start=\"787\" data-end=\"806\"\u003esliding shutter\u003c\/strong\u003e. When you’re ready to focus, simply slide open the cover and point your scope at a bright star. The resulting \u003cstrong data-start=\"917\" data-end=\"952\"\u003ethree-spike diffraction pattern\u003c\/strong\u003e lets you adjust focus with laser-like precision. As the center spike moves between the outer two, you can see exactly when you’ve reached optimal focus.\u003c\/p\u003e\n\u003cp data-start=\"1107\" data-end=\"1389\" class=\"\"\u003eWhen you're done, just close the shutter and your scope’s optics are protected from dust, moisture, and stray fingers. It’s an elegant, efficient upgrade—especially for imaging with compact SCTs or mid-size refractors like the AT115EDT, where critical focus is absolutely essential.\u003c\/p\u003e\n\u003ch3 data-start=\"1391\" data-end=\"1404\" class=\"\"\u003eFeatures:\u003c\/h3\u003e\n\u003cul data-start=\"1405\" data-end=\"1834\"\u003e\n\u003cli data-start=\"1405\" data-end=\"1481\" class=\"\"\u003e\n\u003cp data-start=\"1407\" data-end=\"1481\" class=\"\"\u003eMade to fit the \u003cstrong data-start=\"1423\" data-end=\"1443\"\u003eCelestron 5\" SCT\u003c\/strong\u003e and \u003cstrong data-start=\"1448\" data-end=\"1481\"\u003eAstro-Tech AT115EDT refractor\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1482\" data-end=\"1550\" class=\"\"\u003e\n\u003cp data-start=\"1484\" data-end=\"1550\" class=\"\"\u003eCombines a \u003cstrong data-start=\"1495\" data-end=\"1507\"\u003edust cap\u003c\/strong\u003e with a built-in \u003cstrong data-start=\"1524\" data-end=\"1550\"\u003eBahtinov focusing mask\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1551\" data-end=\"1624\" class=\"\"\u003e\n\u003cp data-start=\"1553\" data-end=\"1624\" class=\"\"\u003e\u003cstrong data-start=\"1553\" data-end=\"1572\"\u003eSliding shutter\u003c\/strong\u003e reveals or hides the mask—no need to remove the cap\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1625\" data-end=\"1696\" class=\"\"\u003e\n\u003cp data-start=\"1627\" data-end=\"1696\" class=\"\"\u003eAchieve precise, repeatable focus in seconds using diffraction spikes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1697\" data-end=\"1763\" class=\"\"\u003e\n\u003cp data-start=\"1699\" data-end=\"1763\" class=\"\"\u003eLightweight and durable design perfect for field or backyard use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1764\" data-end=\"1834\" class=\"\"\u003e\n\u003cp data-start=\"1766\" data-end=\"1834\" class=\"\"\u003eWorks equally well for astrophotography and critical visual focusing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1836\" data-end=\"1859\" class=\"\"\u003eCompatibility Note:\u003c\/h3\u003e\n\u003cp data-start=\"1860\" data-end=\"2099\" class=\"\"\u003eThis model is precision-fit for the \u003cstrong data-start=\"1896\" data-end=\"1927\"\u003eCelestron 5\" SCT front cell\u003c\/strong\u003e and refractors with similar front diameters, such as the \u003cstrong data-start=\"1985\" data-end=\"2008\"\u003eAstro-Tech AT115EDT\u003c\/strong\u003e. If you're unsure about fitment, feel free to reach out and we’ll help you confirm sizing.\u003c\/p\u003e\n\u003ch3 data-start=\"2101\" data-end=\"2119\" class=\"\"\u003eObserving Tip:\u003c\/h3\u003e\n\u003cp data-start=\"2120\" data-end=\"2404\" class=\"\"\u003eRefractors like the AT115EDT and SCTs like the 5\" Celestron have tight focus tolerances—especially with modern CMOS cameras. The built-in Bahtinov mask saves time, increases accuracy, and eliminates the need to carry a separate focus aid. One accessory, two functions, no compromises.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Astrozap","offers":[{"title":"Default Title","offer_id":40221666082889,"sku":"FC125AZ","price":96.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/17207.jpg?v=1662967780"},{"product_id":"astrozap-focusing-cap-w-built-in-bahtinov-focusing-mask-for-most-130mm-aperture-refractors","title":"Astrozap Focusing Cap w\/ Built-In Bahtinov Focusing Mask For Most 130mm Aperture Refractors","description":"\u003ch3 data-start=\"158\" data-end=\"246\" class=\"\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask – For Most 130mm (5.1\") Refractors\u003c\/h3\u003e\n\u003cp data-start=\"248\" data-end=\"684\" class=\"\"\u003eWhen you're working with a high-performance 130mm refractor, especially for imaging, precise focus isn't optional—it's essential. The \u003cstrong data-start=\"382\" data-end=\"435\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask\u003c\/strong\u003e makes achieving that perfect focus fast and repeatable, all while protecting your telescope’s optics when not in use. Designed to fit \u003cstrong data-start=\"570\" data-end=\"595\"\u003emost 130mm refractors\u003c\/strong\u003e, this clever cap combines two essential tools in one streamlined, easy-to-use accessory.\u003c\/p\u003e\n\u003cp data-start=\"686\" data-end=\"1047\" class=\"\"\u003eBuilt into the front cap is a precision-cut \u003cstrong data-start=\"730\" data-end=\"756\"\u003eBahtinov focusing mask\u003c\/strong\u003e, which is accessed via a \u003cstrong data-start=\"782\" data-end=\"801\"\u003esliding shutter\u003c\/strong\u003e. Simply slide open the cover, center a bright star, and use the resulting \u003cstrong data-start=\"876\" data-end=\"905\"\u003ediffraction spike pattern\u003c\/strong\u003e to fine-tune your focus. As you adjust, the central spike shifts position—when it lines up perfectly between the outer two, you’ve nailed it.\u003c\/p\u003e\n\u003cp data-start=\"1049\" data-end=\"1305\" class=\"\"\u003eOnce focused, just close the shutter, and your cap returns to duty as a \u003cstrong data-start=\"1121\" data-end=\"1147\"\u003eprotective dust shield\u003c\/strong\u003e for transport or storage. No more digging through your gear bag or fumbling with loose accessories in the dark—this cap is always in place and ready to work.\u003c\/p\u003e\n\u003ch3 data-start=\"1307\" data-end=\"1320\" class=\"\"\u003eFeatures:\u003c\/h3\u003e\n\u003cul data-start=\"1321\" data-end=\"1739\"\u003e\n\u003cli data-start=\"1321\" data-end=\"1379\" class=\"\"\u003e\n\u003cp data-start=\"1323\" data-end=\"1379\" class=\"\"\u003eFits \u003cstrong data-start=\"1328\" data-end=\"1379\"\u003emost 130mm (5.1\") aperture refractor telescopes\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1380\" data-end=\"1448\" class=\"\"\u003e\n\u003cp data-start=\"1382\" data-end=\"1448\" class=\"\"\u003eCombines a \u003cstrong data-start=\"1393\" data-end=\"1405\"\u003edust cap\u003c\/strong\u003e with a \u003cstrong data-start=\"1413\" data-end=\"1448\"\u003ebuilt-in Bahtinov focusing mask\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1449\" data-end=\"1536\" class=\"\"\u003e\n\u003cp data-start=\"1451\" data-end=\"1536\" class=\"\"\u003e\u003cstrong data-start=\"1451\" data-end=\"1480\"\u003eSliding shutter mechanism\u003c\/strong\u003e allows quick transition between focus and storage modes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1537\" data-end=\"1608\" class=\"\"\u003e\n\u003cp data-start=\"1539\" data-end=\"1608\" class=\"\"\u003eAchieves fast, ultra-precise focus using Bahtinov diffraction pattern\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1609\" data-end=\"1677\" class=\"\"\u003e\n\u003cp data-start=\"1611\" data-end=\"1677\" class=\"\"\u003eLightweight and rugged for regular use in the field or observatory\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1678\" data-end=\"1739\" class=\"\"\u003e\n\u003cp data-start=\"1680\" data-end=\"1739\" class=\"\"\u003eIdeal for imaging, visual observing, and collimation checks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1741\" data-end=\"1764\" class=\"\"\u003eCompatibility Note:\u003c\/h3\u003e\n\u003cp data-start=\"1765\" data-end=\"1957\" class=\"\"\u003eSized to match the \u003cstrong data-start=\"1784\" data-end=\"1855\"\u003eouter diameter of typical 130mm refractor dew shields or lens cells\u003c\/strong\u003e. Fit may vary slightly between manufacturers—contact us for assistance if you're unsure about sizing.\u003c\/p\u003e\n\u003ch3 data-start=\"1959\" data-end=\"1977\" class=\"\"\u003eObserving Tip:\u003c\/h3\u003e\n\u003cp data-start=\"1978\" data-end=\"2267\" class=\"\"\u003e130mm refractors hit a sweet spot for portability, resolution, and contrast. But when paired with high-resolution cameras or narrowband filters, critical focus gets \u003cem data-start=\"2143\" data-end=\"2149\"\u003every\u003c\/em\u003e picky. A built-in Bahtinov mask lets you lock in perfect sharpness without adding bulk or interrupting your workflow.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Astrozap","offers":[{"title":"Default Title","offer_id":40221666148425,"sku":"FC130AZ","price":100.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/17209.jpg?v=1662967782"},{"product_id":"astrozap-focusing-cap-w-built-in-bahtinov-focusing-mask-for-most-152mm-aperture-refractors","title":"Astrozap Focusing Cap w\/ Built-in Bahtinov Focusing Mask For Most 152mm Aperture Refractors","description":"\u003ch3 data-start=\"159\" data-end=\"245\" class=\"\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask – For Most 152mm (6\") Refractors\u003c\/h3\u003e\n\u003cp data-start=\"247\" data-end=\"611\" class=\"\"\u003eFocusing a large refractor, especially for imaging, requires surgical precision—and the \u003cstrong data-start=\"335\" data-end=\"388\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask\u003c\/strong\u003e is just the tool for the job. Designed to fit \u003cstrong data-start=\"435\" data-end=\"474\"\u003emost 152mm (6\") aperture refractors\u003c\/strong\u003e, this two-in-one accessory gives you the accuracy of a Bahtinov mask and the protection of a dust cap in a single, field-ready solution.\u003c\/p\u003e\n\u003cp data-start=\"613\" data-end=\"1113\" class=\"\"\u003eUnlike separate masks that can get lost or damaged in transport, this design features a \u003cstrong data-start=\"701\" data-end=\"729\"\u003esliding internal shutter\u003c\/strong\u003e that reveals the integrated Bahtinov pattern only when you need it. During focusing, aim your refractor at a bright star and watch the classic \u003cstrong data-start=\"873\" data-end=\"908\"\u003ethree-spike diffraction pattern\u003c\/strong\u003e appear. Adjust your focuser until the center spike is perfectly aligned—and you're in critical focus. Once you’re dialed in, simply slide the shutter closed, and the cap resumes its role as a dust shield.\u003c\/p\u003e\n\u003cp data-start=\"1115\" data-end=\"1376\" class=\"\"\u003eWhether you're shooting through an achromat or apochromat, the longer focal length and narrow focus range of a 6\" refractor makes a built-in focusing tool like this one a huge advantage—especially when skies are changing fast or you’re swapping imaging filters.\u003c\/p\u003e\n\u003ch3 data-start=\"1378\" data-end=\"1391\" class=\"\"\u003eFeatures:\u003c\/h3\u003e\n\u003cul data-start=\"1392\" data-end=\"1796\"\u003e\n\u003cli data-start=\"1392\" data-end=\"1448\" class=\"\"\u003e\n\u003cp data-start=\"1394\" data-end=\"1448\" class=\"\"\u003eFits \u003cstrong data-start=\"1399\" data-end=\"1448\"\u003emost 152mm (6\") aperture refractor telescopes\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1449\" data-end=\"1529\" class=\"\"\u003e\n\u003cp data-start=\"1451\" data-end=\"1529\" class=\"\"\u003eCombines a \u003cstrong data-start=\"1462\" data-end=\"1486\"\u003eprotective front cap\u003c\/strong\u003e with a built-in \u003cstrong data-start=\"1503\" data-end=\"1529\"\u003eBahtinov focusing mask\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1530\" data-end=\"1602\" class=\"\"\u003e\n\u003cp data-start=\"1532\" data-end=\"1602\" class=\"\"\u003e\u003cstrong data-start=\"1532\" data-end=\"1561\"\u003eSliding shutter mechanism\u003c\/strong\u003e keeps the mask protected when not in use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1603\" data-end=\"1666\" class=\"\"\u003e\n\u003cp data-start=\"1605\" data-end=\"1666\" class=\"\"\u003eProduces a clear diffraction pattern for fast, accurate focus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1667\" data-end=\"1737\" class=\"\"\u003e\n\u003cp data-start=\"1669\" data-end=\"1737\" class=\"\"\u003eGreat for astrophotography, visual fine focus, or collimation checks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1738\" data-end=\"1796\" class=\"\"\u003e\n\u003cp data-start=\"1740\" data-end=\"1796\" class=\"\"\u003eLightweight, durable construction designed for field use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1798\" data-end=\"1821\" class=\"\"\u003eCompatibility Note:\u003c\/h3\u003e\n\u003cp data-start=\"1822\" data-end=\"2044\" class=\"\"\u003eThis focusing cap is sized to fit the \u003cstrong data-start=\"1860\" data-end=\"1923\"\u003edew shield\/front cell diameters typical of 152mm refractors\u003c\/strong\u003e. It is not a universal fit—check your scope’s outside diameter for best results or reach out to us for fitment guidance.\u003c\/p\u003e\n\u003ch3 data-start=\"2046\" data-end=\"2064\" class=\"\"\u003eObserving Tip:\u003c\/h3\u003e\n\u003cp data-start=\"2065\" data-end=\"2360\" class=\"\"\u003eWith larger refractors, seeing conditions and thermal shifts can quickly affect your focus. A built-in Bahtinov mask lets you refocus in seconds without reaching for a separate accessory—perfect for imagers using filter wheels or motorized focusers who need to double-check sharpness on the fly.\u003c\/p\u003e","brand":"Astrozap","offers":[{"title":"Default Title","offer_id":40221666181193,"sku":"FC152AZ","price":103.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/17210.jpg?v=1662967783"},{"product_id":"astrozap-focusing-cap-with-built-in-bahtinov-focusing-mask-for-8-schmidt-cassegrains-and-similar-scopes","title":"Astrozap Focusing Cap with Built-In Bahtinov Focusing Mask for 8\" Schmidt-Cassegrains and Similar Scopes","description":"\u003ch3 data-start=\"207\" data-end=\"286\" class=\"\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask – 8\" SCT and Similar OTAs\u003c\/h3\u003e\n\u003cp data-start=\"288\" data-end=\"665\" class=\"\"\u003ePerfect focus is the foundation of any great observing or imaging session, and with the \u003cstrong data-start=\"376\" data-end=\"429\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask\u003c\/strong\u003e, it’s easier than ever to nail it—every time. Designed specifically for \u003cstrong data-start=\"502\" data-end=\"538\"\u003e8\" Schmidt-Cassegrain telescopes\u003c\/strong\u003e, this clever combination of protective cap and focusing mask ensures sharp results without adding extra accessories to manage.\u003c\/p\u003e\n\u003cp data-start=\"667\" data-end=\"1043\" class=\"\"\u003eThe built-in \u003cstrong data-start=\"680\" data-end=\"697\"\u003eBahtinov mask\u003c\/strong\u003e is revealed using a smooth \u003cstrong data-start=\"725\" data-end=\"744\"\u003esliding shutter\u003c\/strong\u003e, allowing you to focus quickly and accurately using the distinctive three-spike diffraction pattern on a bright star. As you adjust your focuser, the center spike will move—once it's centered between the outer two, you’ve reached precise focus. No guessing. No wasted exposures. Just crisp results.\u003c\/p\u003e\n\u003cp data-start=\"1045\" data-end=\"1355\" class=\"\"\u003eWhen focus is locked in, close the shutter and the cap returns to its job as a \u003cstrong data-start=\"1124\" data-end=\"1157\"\u003efull-time dust and dew shield\u003c\/strong\u003e for your corrector plate. It’s a streamlined, dual-purpose solution that belongs in every 8\" SCT owner’s kit—whether you’re imaging galaxies, chasing Jupiter’s bands, or doing critical collimation.\u003c\/p\u003e\n\u003ch3 data-start=\"1357\" data-end=\"1370\" class=\"\"\u003eFeatures:\u003c\/h3\u003e\n\u003cul data-start=\"1371\" data-end=\"1807\"\u003e\n\u003cli data-start=\"1371\" data-end=\"1460\" class=\"\"\u003e\n\u003cp data-start=\"1373\" data-end=\"1460\" class=\"\"\u003eDesigned to fit \u003cstrong data-start=\"1389\" data-end=\"1425\"\u003e8\" Schmidt-Cassegrain telescopes\u003c\/strong\u003e (e.g., Celestron C8, Meade 8\" SCT)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1461\" data-end=\"1543\" class=\"\"\u003e\n\u003cp data-start=\"1463\" data-end=\"1543\" class=\"\"\u003eCombines a \u003cstrong data-start=\"1474\" data-end=\"1497\"\u003eprotective dust cap\u003c\/strong\u003e with an \u003cstrong data-start=\"1506\" data-end=\"1543\"\u003eintegrated Bahtinov focusing mask\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1544\" data-end=\"1619\" class=\"\"\u003e\n\u003cp data-start=\"1546\" data-end=\"1619\" class=\"\"\u003e\u003cstrong data-start=\"1546\" data-end=\"1575\"\u003eSliding shutter mechanism\u003c\/strong\u003e makes switching between modes fast and easy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1620\" data-end=\"1695\" class=\"\"\u003e\n\u003cp data-start=\"1622\" data-end=\"1695\" class=\"\"\u003eProvides fast, repeatable focusing using the Bahtinov diffraction pattern\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1696\" data-end=\"1750\" class=\"\"\u003e\n\u003cp data-start=\"1698\" data-end=\"1750\" class=\"\"\u003eEliminates the need for separate masks or added bulk\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1751\" data-end=\"1807\" class=\"\"\u003e\n\u003cp data-start=\"1753\" data-end=\"1807\" class=\"\"\u003eDurable construction made for regular use in the field\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1809\" data-end=\"1827\" class=\"\"\u003eObserving Tip:\u003c\/h3\u003e\n\u003cp data-start=\"1828\" data-end=\"2128\" class=\"\"\u003eAn 8\" SCT delivers excellent resolution and focal length for both planetary and deep-sky work—but that also means your focus tolerance is slim. The built-in Bahtinov mask in this cap makes precise focus a breeze and saves time when switching between imaging setups or checking collimation on the fly.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Astrozap","offers":[{"title":"Default Title","offer_id":40221666213961,"sku":"FC8AZ","price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/17214.jpg?v=1662967785"},{"product_id":"astrozap-focusing-cap-w-built-in-bahtinov-focusing-mask-for-9-25-scts-and-similar-scopes","title":"Astrozap Focusing Cap w\/ Built-In Bahtinov Focusing Mask for 9.25\" SCTs and Similar Scopes","description":"\u003ch3 data-start=\"285\" data-end=\"367\" class=\"\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask – 9.25\" SCT and Similar OTAs\u003c\/h3\u003e\n\u003cp data-start=\"369\" data-end=\"655\" class=\"\"\u003eFocus like a pro without adding complexity to your setup. The \u003cstrong data-start=\"431\" data-end=\"484\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask\u003c\/strong\u003e is custom-designed for \u003cstrong data-start=\"508\" data-end=\"547\"\u003e9.25\" Schmidt-Cassegrain telescopes\u003c\/strong\u003e, giving you an ultra-precise focusing tool and a snug-fitting dust cap in one sleek, easy-to-use accessory.\u003c\/p\u003e\n\u003cp data-start=\"657\" data-end=\"1125\" class=\"\"\u003eThis all-in-one design features a \u003cstrong data-start=\"691\" data-end=\"710\"\u003esliding shutter\u003c\/strong\u003e that reveals a precision-cut Bahtinov mask built right into the cap. No more juggling separate masks or worrying about losing a loose accessory in the dark. Just point your scope at a bright star, open the shutter, and watch as the star’s light forms a crisp \u003cstrong data-start=\"970\" data-end=\"999\"\u003ediffraction spike pattern\u003c\/strong\u003e. Adjust focus until the central spike is centered between the outer ones—then close the shutter and get observing or imaging.\u003c\/p\u003e\n\u003cp data-start=\"1127\" data-end=\"1316\" class=\"\"\u003eWhether you're using a Celestron 9.25\" SCT or a similarly sized OTA, this cap offers a reliable, repeatable way to ensure critical focus—without slowing you down or adding unnecessary bulk.\u003c\/p\u003e\n\u003ch3 data-start=\"1318\" data-end=\"1331\" class=\"\"\u003eFeatures:\u003c\/h3\u003e\n\u003cul data-start=\"1332\" data-end=\"1743\"\u003e\n\u003cli data-start=\"1332\" data-end=\"1405\" class=\"\"\u003e\n\u003cp data-start=\"1334\" data-end=\"1405\" class=\"\"\u003eMade for \u003cstrong data-start=\"1343\" data-end=\"1382\"\u003e9.25\" Schmidt-Cassegrain telescopes\u003c\/strong\u003e and similar-sized OTAs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1406\" data-end=\"1486\" class=\"\"\u003e\n\u003cp data-start=\"1408\" data-end=\"1486\" class=\"\"\u003eCombines a \u003cstrong data-start=\"1419\" data-end=\"1443\"\u003eprotective front cap\u003c\/strong\u003e with a built-in \u003cstrong data-start=\"1460\" data-end=\"1486\"\u003eBahtinov focusing mask\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1487\" data-end=\"1556\" class=\"\"\u003e\n\u003cp data-start=\"1489\" data-end=\"1556\" class=\"\"\u003e\u003cstrong data-start=\"1489\" data-end=\"1508\"\u003eSliding shutter\u003c\/strong\u003e reveals or conceals the focusing mask on demand\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1557\" data-end=\"1614\" class=\"\"\u003e\n\u003cp data-start=\"1559\" data-end=\"1614\" class=\"\"\u003eFast, accurate focusing via diffraction spike alignment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1615\" data-end=\"1669\" class=\"\"\u003e\n\u003cp data-start=\"1617\" data-end=\"1669\" class=\"\"\u003eKeeps your corrector plate protected when not in use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1670\" data-end=\"1743\" class=\"\"\u003e\n\u003cp data-start=\"1672\" data-end=\"1743\" class=\"\"\u003eIdeal for astrophotography, planetary imaging, and high-res visual work\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1745\" data-end=\"1763\" class=\"\"\u003eObserving Tip:\u003c\/h3\u003e\n\u003cp data-start=\"1764\" data-end=\"2110\" class=\"\"\u003eThe 9.25\" SCT is a favorite for planetary and deep-sky observing thanks to its balance of aperture and portability—but that balance comes with a long focal length and tight focus tolerance. A built-in Bahtinov mask lets you achieve precise focus quickly, even in less-than-perfect seeing, so you can take full advantage of what your scope can do.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Astrozap","offers":[{"title":"Default Title","offer_id":40221666246729,"sku":"FC9AZ","price":126.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/17215.jpg?v=1662967786"},{"product_id":"astrozap-focusing-cap-w-built-in-bahtinov-focusing-mask-for-10-schmidt-cassegrains-and-similar-scopes","title":"Astrozap Focusing Cap w\/ Built-In Bahtinov Focusing Mask for 10\" Schmidt-Cassegrains and Similar Scopes","description":"\u003ch3 data-start=\"584\" data-end=\"664\" class=\"\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask – 10\" SCT and Similar OTAs\u003c\/h3\u003e\n\u003cp data-start=\"666\" data-end=\"1067\" class=\"\"\u003eAchieving pinpoint focus is one of the most important—and often most frustrating—parts of any astrophotography or high-power visual session. The \u003cstrong data-start=\"811\" data-end=\"864\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask\u003c\/strong\u003e offers a simple, reliable solution by combining a precision \u003cstrong data-start=\"925\" data-end=\"951\"\u003eBahtinov focusing mask\u003c\/strong\u003e with a protective \u003cstrong data-start=\"970\" data-end=\"982\"\u003edust cap\u003c\/strong\u003e, purpose-built for \u003cstrong data-start=\"1002\" data-end=\"1039\"\u003e10\" Schmidt-Cassegrain telescopes\u003c\/strong\u003e and similarly sized scopes.\u003c\/p\u003e\n\u003cp data-start=\"1069\" data-end=\"1451\" class=\"\"\u003eWith a sliding shutter mechanism built right into the cap, you’ll never need to fumble with separate focus masks in the dark again. Just slide the cover open, point your scope at a bright star, and use the distinctive \u003cstrong data-start=\"1287\" data-end=\"1316\"\u003ediffraction spike pattern\u003c\/strong\u003e to guide your focus adjustments. When the central spike is perfectly centered between the outer two, you’re locked in and ready to go.\u003c\/p\u003e\n\u003cp data-start=\"1453\" data-end=\"1726\" class=\"\"\u003eOnce focus is achieved, close the shutter and the cap returns to full-time dust and moisture protection. Whether you’re working with a Celestron CPC 1000, Meade LX200 10\", or another 10\" SCT, this all-in-one design saves time, improves accuracy, and keeps your optics safe.\u003c\/p\u003e\n\u003ch3 data-start=\"1728\" data-end=\"1741\" class=\"\"\u003eFeatures:\u003c\/h3\u003e\n\u003cul data-start=\"1742\" data-end=\"2179\"\u003e\n\u003cli data-start=\"1742\" data-end=\"1814\" class=\"\"\u003e\n\u003cp data-start=\"1744\" data-end=\"1814\" class=\"\"\u003eMade for \u003cstrong data-start=\"1753\" data-end=\"1790\"\u003e10\" Schmidt-Cassegrain telescopes\u003c\/strong\u003e and similar front cells\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1815\" data-end=\"1889\" class=\"\"\u003e\n\u003cp data-start=\"1817\" data-end=\"1889\" class=\"\"\u003eCombines a \u003cstrong data-start=\"1828\" data-end=\"1846\"\u003eprotective cap\u003c\/strong\u003e with a \u003cstrong data-start=\"1854\" data-end=\"1889\"\u003ebuilt-in Bahtinov focusing mask\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1890\" data-end=\"1965\" class=\"\"\u003e\n\u003cp data-start=\"1892\" data-end=\"1965\" class=\"\"\u003e\u003cstrong data-start=\"1892\" data-end=\"1911\"\u003eSliding shutter\u003c\/strong\u003e reveals or conceals the mask without removing the cap\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1966\" data-end=\"2044\" class=\"\"\u003e\n\u003cp data-start=\"1968\" data-end=\"2044\" class=\"\"\u003ePrecision-cut diffraction pattern helps you achieve perfect focus in seconds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2045\" data-end=\"2111\" class=\"\"\u003e\n\u003cp data-start=\"2047\" data-end=\"2111\" class=\"\"\u003eDurable black plastic design built for years of use in the field\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2112\" data-end=\"2179\" class=\"\"\u003e\n\u003cp data-start=\"2114\" data-end=\"2179\" class=\"\"\u003eIdeal for both visual observers and imagers demanding sharp focus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"2181\" data-end=\"2199\" class=\"\"\u003eObserving Tip:\u003c\/h3\u003e\n\u003cp data-start=\"2200\" data-end=\"2480\" class=\"\"\u003eWith longer focal length SCTs, even a slight focus miss can result in soft planetary detail or bloated stars in your images. A built-in Bahtinov mask takes the guesswork out of the equation. And since it’s always attached, you’ll never leave it behind or wonder which bag it’s in.\u003c\/p\u003e\n\u003ctable id=\"product-attribute-specs-table\" class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003ctd class=\"data\"\u003er\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Astrozap","offers":[{"title":"Default Title","offer_id":40221666312265,"sku":"FC10AZ","price":142.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/17216.jpg?v=1662967788"},{"product_id":"astrozap-focusing-cap-w-built-in-bahtinov-focusing-mask-meade-10-lxd-75-schmidt-newtonian","title":"Astrozap Focusing Cap w\/ Built-In Bahtinov Focusing Mask | Meade 10\" LXD-75 Schmidt-Newtonian","description":"\u003ch3 data-start=\"160\" data-end=\"250\" class=\"\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask – Meade 10\" LXD-75 Schmidt-Newtonian\u003c\/h3\u003e\n\u003cp data-start=\"252\" data-end=\"679\" class=\"\"\u003eDialing in sharp focus on a fast telescope like the \u003cstrong data-start=\"304\" data-end=\"342\"\u003eMeade 10\" LXD-75 Schmidt-Newtonian\u003c\/strong\u003e can be tricky—but the \u003cstrong data-start=\"365\" data-end=\"418\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask\u003c\/strong\u003e makes it easy, accurate, and repeatable. Designed specifically for the corrector cell size of this unique scope, this clever accessory combines a traditional dust cap with a built-in Bahtinov mask, letting you go from covered to focused in a matter of seconds.\u003c\/p\u003e\n\u003cp data-start=\"681\" data-end=\"1070\" class=\"\"\u003eThe integrated \u003cstrong data-start=\"696\" data-end=\"725\"\u003eBahtinov focusing pattern\u003c\/strong\u003e is revealed by sliding open the internal shutter. A bright star will immediately show a classic three-spike diffraction pattern through your camera or eyepiece. As you fine-tune your focuser, the central spike will shift. When it lines up perfectly between the other two, you’re in precise focus—ideal for imaging and high-resolution observing.\u003c\/p\u003e\n\u003cp data-start=\"1072\" data-end=\"1278\" class=\"\"\u003eWhen focus is achieved, simply close the shutter, and the cap returns to its job protecting your corrector from dust and dew. It’s a compact, elegant solution that belongs on every LXD-75 owner’s checklist.\u003c\/p\u003e\n\u003ch3 data-start=\"1280\" data-end=\"1293\" class=\"\"\u003eFeatures:\u003c\/h3\u003e\n\u003cul data-start=\"1294\" data-end=\"1703\"\u003e\n\u003cli data-start=\"1294\" data-end=\"1360\" class=\"\"\u003e\n\u003cp data-start=\"1296\" data-end=\"1360\" class=\"\"\u003eMade for the \u003cstrong data-start=\"1309\" data-end=\"1347\"\u003eMeade 10\" LXD-75 Schmidt-Newtonian\u003c\/strong\u003e optical tube\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1361\" data-end=\"1434\" class=\"\"\u003e\n\u003cp data-start=\"1363\" data-end=\"1434\" class=\"\"\u003eCombines a \u003cstrong data-start=\"1374\" data-end=\"1397\"\u003eprotective dust cap\u003c\/strong\u003e with an \u003cstrong data-start=\"1406\" data-end=\"1434\"\u003eintegrated Bahtinov mask\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1435\" data-end=\"1499\" class=\"\"\u003e\n\u003cp data-start=\"1437\" data-end=\"1499\" class=\"\"\u003e\u003cstrong data-start=\"1437\" data-end=\"1456\"\u003eSliding shutter\u003c\/strong\u003e reveals or hides the focus mask in seconds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1500\" data-end=\"1566\" class=\"\"\u003e\n\u003cp data-start=\"1502\" data-end=\"1566\" class=\"\"\u003eQuickly achieves perfect focus using diffraction spike alignment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1567\" data-end=\"1631\" class=\"\"\u003e\n\u003cp data-start=\"1569\" data-end=\"1631\" class=\"\"\u003eIdeal for fast optical systems where precise focus is critical\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1632\" data-end=\"1703\" class=\"\"\u003e\n\u003cp data-start=\"1634\" data-end=\"1703\" class=\"\"\u003eDurable construction for repeated field use and long-term reliability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1705\" data-end=\"1723\" class=\"\"\u003eObserving Tip:\u003c\/h3\u003e\n\u003cp data-start=\"1724\" data-end=\"2047\" class=\"\"\u003eSchmidt-Newtonians offer fast focal ratios and wide fields—perfect for imaging, but also less forgiving when it comes to focus. A built-in Bahtinov mask gives you the confidence to capture sharp, crisp images without the trial-and-error routine. This is one of the easiest upgrades you can make to streamline your workflow.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Astrozap","offers":[{"title":"Default Title","offer_id":40221666345033,"sku":"FC10LXAZ","price":142.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/17217.jpg?v=1662967790"},{"product_id":"astrozap-focusing-cap-w-built-in-bahtinov-focusing-mask-for-11-schmidt-cassegrains-and-similar-scopes","title":"Astrozap Focusing Cap w\/ Built-In Bahtinov Focusing Mask for 11\" Schmidt-Cassegrains and Similar Scopes","description":"\u003ch3 data-start=\"179\" data-end=\"259\" class=\"\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask – 11\" SCT and Similar OTAs\u003c\/h3\u003e\n\u003cp data-start=\"261\" data-end=\"576\" class=\"\"\u003eWhen you're working with a high-powered telescope like an \u003cstrong data-start=\"319\" data-end=\"345\"\u003e11\" Schmidt-Cassegrain\u003c\/strong\u003e, even the smallest focus error can rob your images of detail. The \u003cstrong data-start=\"412\" data-end=\"465\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask\u003c\/strong\u003e helps you achieve pinpoint focus quickly and reliably—without adding extra steps or accessories to your setup.\u003c\/p\u003e\n\u003cp data-start=\"578\" data-end=\"1058\" class=\"\"\u003eThis smart, dual-purpose design functions as both a \u003cstrong data-start=\"630\" data-end=\"642\"\u003edust cap\u003c\/strong\u003e and a \u003cstrong data-start=\"649\" data-end=\"676\"\u003eprecision Bahtinov mask\u003c\/strong\u003e, purpose-built to fit 11\" SCTs and similar front-cell diameters. When it’s time to focus, just slide open the internal shutter to expose the Bahtinov mask embedded in the cap. A bright star will instantly produce a trio of diffraction spikes on your camera or live view screen. Adjust your focuser until the center spike aligns perfectly between the outer two—and you’re dialed in.\u003c\/p\u003e\n\u003cp data-start=\"1060\" data-end=\"1311\" class=\"\"\u003eWhen focus is locked, simply slide the shutter closed and your corrector is once again protected from dust and debris. It’s a seamless solution for imagers and serious observers who want \u003cstrong data-start=\"1247\" data-end=\"1310\"\u003efaster setup, fewer moving parts, and more reliable results\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-start=\"1313\" data-end=\"1326\" class=\"\"\u003eFeatures:\u003c\/h3\u003e\n\u003cul data-start=\"1327\" data-end=\"1745\"\u003e\n\u003cli data-start=\"1327\" data-end=\"1398\" class=\"\"\u003e\n\u003cp data-start=\"1329\" data-end=\"1398\" class=\"\"\u003eCustom fit for \u003cstrong data-start=\"1344\" data-end=\"1381\"\u003e11\" Schmidt-Cassegrain telescopes\u003c\/strong\u003e and similar OTAs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1399\" data-end=\"1471\" class=\"\"\u003e\n\u003cp data-start=\"1401\" data-end=\"1471\" class=\"\"\u003e\u003cstrong data-start=\"1401\" data-end=\"1427\"\u003eBuilt-in Bahtinov mask\u003c\/strong\u003e makes critical focusing fast and repeatable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1472\" data-end=\"1540\" class=\"\"\u003e\n\u003cp data-start=\"1474\" data-end=\"1540\" class=\"\"\u003e\u003cstrong data-start=\"1474\" data-end=\"1493\"\u003eSliding shutter\u003c\/strong\u003e reveals or conceals the mask—no removal needed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1541\" data-end=\"1612\" class=\"\"\u003e\n\u003cp data-start=\"1543\" data-end=\"1612\" class=\"\"\u003eDurable plastic construction with a precision-cut diffraction pattern\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1613\" data-end=\"1679\" class=\"\"\u003e\n\u003cp data-start=\"1615\" data-end=\"1679\" class=\"\"\u003eDual-function design acts as both \u003cstrong data-start=\"1649\" data-end=\"1679\"\u003efocusing tool and dust cap\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1680\" data-end=\"1745\" class=\"\"\u003e\n\u003cp data-start=\"1682\" data-end=\"1745\" class=\"\"\u003eIdeal for astrophotography and high-resolution visual observing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1747\" data-end=\"1765\" class=\"\"\u003eObserving Tip:\u003c\/h3\u003e\n\u003cp data-start=\"1766\" data-end=\"2074\" class=\"\"\u003eThis is the kind of tool you’ll wonder how you ever lived without. Whether you’re setting up a deep-sky imaging run or focusing for a high-magnification planetary session, this built-in Bahtinov design saves time and increases accuracy. Best of all, you’ll never forget it at home—it’s already on your scope.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Astrozap","offers":[{"title":"Default Title","offer_id":40221666410569,"sku":"FC11AZ","price":142.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/17218.jpg?v=1662967791"},{"product_id":"astrozap-focusing-cap-w-built-in-bahtinov-focusing-mask-for-12-schmidt-cassegrains-and-similar-scopes","title":"Astrozap Focusing Cap w\/ Built-In Bahtinov Focusing Mask for 12\" Schmidt-Cassegrains and Similar Scopes","description":"\u003ch3 data-start=\"181\" data-end=\"261\" class=\"\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask – 12\" SCT and Similar OTAs\u003c\/h3\u003e\n\u003cp data-start=\"263\" data-end=\"627\" class=\"\"\u003eIf you’re imaging through a 12\" SCT or similar optical tube, you know how critical fine focus is—and how easy it is to miss without help. The \u003cstrong data-start=\"405\" data-end=\"458\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask\u003c\/strong\u003e takes the guesswork out of focusing by combining two essential tools into one: a protective dust cap and an integrated Bahtinov focusing mask, all in one sleek package.\u003c\/p\u003e\n\u003cp data-start=\"629\" data-end=\"1124\" class=\"\"\u003eThis version is precision-fit for \u003cstrong data-start=\"663\" data-end=\"700\"\u003e12\" Schmidt-Cassegrain telescopes\u003c\/strong\u003e and other scopes with similar front-cell diameters. Instead of juggling separate masks or trying to line up gear in the dark, just slide the internal shutter open to reveal the built-in Bahtinov pattern. Center the diffraction spikes using your camera’s live view or a focus aid, adjust until the middle spike is perfectly aligned—and you’re in razor-sharp focus, ready to capture fine lunar, planetary, or deep-sky detail.\u003c\/p\u003e\n\u003cp data-start=\"1126\" data-end=\"1311\" class=\"\"\u003eWhen you're done focusing, slide the shutter closed, and the cap returns to its role as a full-time \u003cstrong data-start=\"1226\" data-end=\"1244\"\u003edust protector\u003c\/strong\u003e for your front corrector plate. No extra parts to lose, no hassle.\u003c\/p\u003e\n\u003ch3 data-start=\"1313\" data-end=\"1326\" class=\"\"\u003eFeatures:\u003c\/h3\u003e\n\u003cul data-start=\"1327\" data-end=\"1751\"\u003e\n\u003cli data-start=\"1327\" data-end=\"1401\" class=\"\"\u003e\n\u003cp data-start=\"1329\" data-end=\"1401\" class=\"\"\u003eMade for \u003cstrong data-start=\"1338\" data-end=\"1375\"\u003e12\" Schmidt-Cassegrain telescopes\u003c\/strong\u003e and similar optical tubes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1402\" data-end=\"1476\" class=\"\"\u003e\n\u003cp data-start=\"1404\" data-end=\"1476\" class=\"\"\u003eCombines a standard \u003cstrong data-start=\"1424\" data-end=\"1442\"\u003eprotective cap\u003c\/strong\u003e with a \u003cstrong data-start=\"1450\" data-end=\"1476\"\u003ebuilt-in Bahtinov mask\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1477\" data-end=\"1544\" class=\"\"\u003e\n\u003cp data-start=\"1479\" data-end=\"1544\" class=\"\"\u003e\u003cstrong data-start=\"1479\" data-end=\"1505\"\u003eSliding shutter design\u003c\/strong\u003e reveals or conceals the mask as needed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1545\" data-end=\"1616\" class=\"\"\u003e\n\u003cp data-start=\"1547\" data-end=\"1616\" class=\"\"\u003eEnables fast, accurate focus using diffraction spikes on bright stars\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1617\" data-end=\"1680\" class=\"\"\u003e\n\u003cp data-start=\"1619\" data-end=\"1680\" class=\"\"\u003eDurable construction built to handle regular use in the field\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1681\" data-end=\"1751\" class=\"\"\u003e\n\u003cp data-start=\"1683\" data-end=\"1751\" class=\"\"\u003eIdeal for both imaging and visual focusing with high-accuracy optics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1753\" data-end=\"1771\" class=\"\"\u003eObserving Tip:\u003c\/h3\u003e\n\u003cp data-start=\"1772\" data-end=\"2076\" class=\"\"\u003eDon’t let soft focus ruin a great night of imaging. With this built-in Bahtinov solution, you can lock in perfect focus even under mediocre seeing conditions. The diffraction spike pattern is easy to interpret and far more accurate than trying to guess by eye or rely solely on software-driven autofocus.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Astrozap","offers":[{"title":"Default Title","offer_id":40221666476105,"sku":"FC12AZ","price":164.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/17219.jpg?v=1662967793"},{"product_id":"astrozap-focusing-cap-w-built-in-bahtinov-focusing-mask-for-14-schmidt-cassegrains-and-similar-scopes","title":"Astrozap Focusing Cap w\/ Built-In Bahtinov Focusing Mask for 14\" Schmidt-Cassegrains and Similar Scopes","description":"\u003ch3 data-start=\"256\" data-end=\"336\" class=\"\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask – 14\" SCT and Similar OTAs\u003c\/h3\u003e\n\u003cp data-start=\"338\" data-end=\"634\" class=\"\"\u003eFine focus can make or break your imaging session—especially at long focal lengths where critical focus is razor thin. The \u003cstrong data-start=\"461\" data-end=\"514\"\u003eAstroZap Focusing Cap with Built-In Bahtinov Mask\u003c\/strong\u003e is the smart, time-saving solution for precisely focusing your \u003cstrong data-start=\"578\" data-end=\"604\"\u003e14\" Schmidt-Cassegrain\u003c\/strong\u003e or similarly sized telescope.\u003c\/p\u003e\n\u003cp data-start=\"636\" data-end=\"966\" class=\"\"\u003eThis innovative two-in-one design combines a standard dust cap with an integrated \u003cstrong data-start=\"718\" data-end=\"744\"\u003eBahtinov focusing mask\u003c\/strong\u003e, letting you go from storage to sharp focus without ever removing the cap. When you're ready to focus, simply slide the internal shutter to reveal the Bahtinov mask—no need to fumble with separate accessories in the dark.\u003c\/p\u003e\n\u003cp data-start=\"968\" data-end=\"1249\" class=\"\"\u003eThe \u003cstrong data-start=\"972\" data-end=\"992\"\u003eBahtinov pattern\u003c\/strong\u003e etched into the cap creates a unique diffraction spike pattern around bright stars. By centering the central spike between the outer two, you can dial in tack-sharp focus in seconds, whether you're using a DSLR, planetary camera, or dedicated astro-imager.\u003c\/p\u003e\n\u003cp data-start=\"1251\" data-end=\"1423\" class=\"\"\u003eOnce focus is set, slide the shutter closed and you're back to having a protective dust cap in place. It’s a clean, compact, and field-friendly design built for repeat use.\u003c\/p\u003e\n\u003ch3 data-start=\"1425\" data-end=\"1438\" class=\"\"\u003eFeatures:\u003c\/h3\u003e\n\u003cul data-start=\"1439\" data-end=\"1868\"\u003e\n\u003cli data-start=\"1439\" data-end=\"1513\" class=\"\"\u003e\n\u003cp data-start=\"1441\" data-end=\"1513\" class=\"\"\u003eDesigned for \u003cstrong data-start=\"1454\" data-end=\"1491\"\u003e14\" Schmidt-Cassegrain telescopes\u003c\/strong\u003e and similar OTA sizes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1514\" data-end=\"1591\" class=\"\"\u003e\n\u003cp data-start=\"1516\" data-end=\"1591\" class=\"\"\u003eCombines a \u003cstrong data-start=\"1527\" data-end=\"1548\"\u003estandard dust cap\u003c\/strong\u003e with a \u003cstrong data-start=\"1556\" data-end=\"1591\"\u003ebuilt-in Bahtinov focusing mask\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1592\" data-end=\"1670\" class=\"\"\u003e\n\u003cp data-start=\"1594\" data-end=\"1670\" class=\"\"\u003e\u003cstrong data-start=\"1594\" data-end=\"1613\"\u003eSliding shutter\u003c\/strong\u003e reveals or hides the mask with no need to remove the cap\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1671\" data-end=\"1744\" class=\"\"\u003e\n\u003cp data-start=\"1673\" data-end=\"1744\" class=\"\"\u003eEnables quick, ultra-precise focusing using diffraction spike alignment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1745\" data-end=\"1810\" class=\"\"\u003e\n\u003cp data-start=\"1747\" data-end=\"1810\" class=\"\"\u003eDurable black plastic construction built for years of field use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1811\" data-end=\"1868\" class=\"\"\u003e\n\u003cp data-start=\"1813\" data-end=\"1868\" class=\"\"\u003eIdeal for visual observers and astrophotographers alike\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1870\" data-end=\"1888\" class=\"\"\u003eObserving Tip:\u003c\/h3\u003e\n\u003cp data-start=\"1889\" data-end=\"2248\" class=\"\"\u003eIf you're imaging with a 14\" SCT, you’re already pushing magnification and depth—don’t let your focus be the weakest link. A Bahtinov mask gives you instant visual confirmation that your focus is perfect, even in variable seeing or on faint targets. Having it built into the cap means it’s always at hand when you need it, and never in the way when you don’t.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Astrozap","offers":[{"title":"Default Title","offer_id":40221666508873,"sku":"FC14AZ","price":203.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/7974\/9961\/products\/17220.jpg?v=1662967794"}],"url":"https:\/\/astronomics.com\/collections\/focusing-aids.oembed?page=2","provider":"Astronomics","version":"1.0","type":"link"}