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Explore Scientific 40mm 62° 2" Waterproof Eyepiece The Explore Scientific 40mm 62° Series 2" Eyepiece is a superb choice for deep-sky observers and...

Many people consider the original 5" Celestron SCT to be the finest affordable personal scope ever made. The NexStar 5 SE combines legendary 5" Cel...

The Explore Scientific 5.5mm argon-purged waterproof 2" eyepiece combines a high power capability with a 100° apparent field to provide a jaw-dropp...

This Explore Scientific 8x50mm illuminated right angle erect/right-reading image finderscope with polar alignment reticle has all the features you ...

If you have room in your observing kit for only one long focal length wide angle eyepiece, this Explore Scientific 40mm argon-purged eyepiece may w...

This new four-element 1.25" 3x Explore Scientific focal extender (Barlow lens) triples the power of any eyepiece used with it, with flat-field and ...

Explore Scientific 26mm 62° 1.25" Waterproof Eyepiece The Explore Scientific 26mm 62° Series Eyepiece offers a perfect balance of generous eye reli...

Explore Scientific 20mm 62° 1.25" Waterproof Eyepiece The Explore Scientific 20mm 62° Series Eyepiece offers an outstanding blend of comfort, optic...

Explore Scientific 25mm 52° Argon-Purged Eyepiece – Exceptional Optical Performance for Deep Sky and Solar System Observing When it comes to select...

This Explore Scientific 34mm argon-purged 2" is a big eyepiece - big in size, big in weight, big in field of view, big in performance. It gives you...

The Sky-Watcher 180mm Maksutov-Cassegrain folded optical system comes close in optical performance to the best-known ultra-premium 7" Maksutov, but...

The Sky-Watcher 127mm Maksutov-Cassegrain folded optical system is a compact optical powerhouse capable of producing sharp, high contrast images in...

This Explore Scientific 4" refractor has: Big 4" aperture fully multicoated achromatic doublet refractor optics Collimatable objective lens cell ...

The Sky-Watcher 150mm (5.9") Maksutov-Cassegrain folded optical system is a compact optical powerhouse capable of producing sharp, high contrast im...

Explore Scientific 40mm 52° Eyepiece – Ultra-Comfortable Viewing with Exceptional Contrast If you’re looking for an eyepiece that delivers generous...

The 2" 3x Explore Scientific premium Barlow (described by Explore Scientific as a focal extender, rather than a Barlow) uses an advanced four-eleme...

Explore Scientific 10mm 52° Series Argon-Purged Eyepiece For astronomers who value precision, contrast, and durability in a compact form, the Explo...

Explore Scientific 15mm 52° Argon-Purged Eyepiece For amateur and experienced astronomers alike, the Explore Scientific 15mm 52° Series Eyepiece is...

This 102mm (4") Explore Scientific Essential Series air-spaced ED triplet apochromatic refractor is loaded with quality optical performance at a su...

Sky-Watcher EvoGuide 50DX 50mm ED APO Refractor / Guidescope The Sky-Watcher EvoGuide 50DX brings apochromatic performance to a compact, lightweigh...

If you are an astro-photographer looking for a fast optical system at a fantastic price then the Quattro series is for you. The Sky-Watcher 8" f/4 ...

For high power with a short focal length refractor or reflector, this Explore Scientific four-element 5x image amplifier (Barlow lens) is hard to b...

Explore Scientific 32mm 62° 2" Waterproof Eyepiece If you're aiming to take full advantage of your telescope's 2" focuser for wide-field, low-power...

Explore Scientific 14mm 62° Series 1.25" Waterproof Eyepiece The Explore Scientific 14mm 62° Series eyepiece is an excellent choice for amateur and...