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This 82° field Explore Scientific 18mm 2" argon-purged waterproof eyepiece makes observing with many telescopes feel like you're taking a stroll th...

This 82° field Explore Scientific 30mm 2" argon-purged waterproof eyepiece gives you the big picture, making you feel like you're relaxing in front...

This Explore Scientific 20mm argon-purged waterproof eyepiece is a fine medium power 1.25" eyepiece whose substantial 68° field of view gives you "...

Looking for the Swiss Army Knife of mounts?  The AZ-EQ5 altazimuth/equatorial mount from Sky-Watcher should cover virtually every situation you can...

This short focal length Pentax eyepiece has a very wide 70° field of view and very long 20mm eye relief, a uniquely useful combination not matched ...

This very short focal length Pentax eyepiece has a wide 70° field of view combined with a long 20mm eye relief for eyeglass use. It's a combination...

Celestron's new NexStar Evolution 6 6" f/10 go-to Schmidt-Cassegrain telescope brings amateur astronomy into the wireless 21st century of smart pho...

This medium focal length Pentax provides sharp and very wide field images for both terrestrial and astronomical observing. Terrestrially, it is an ...

The Sky-Watcher Esprit 100mm ED apochromatic triplet refractor has the premium high contrast/high resolution/flat field optical performance you nee...

The Evostar 72ED is a portable powerhouse. It is true that great things can come in a small package.. This Sky-Watcher Evostar 72ED apochromatic re...

This low profile 7 position ZWO filter wheel is just what your monochrome camera ordered. Inside the CNC body of the ZWO EFW 7 position filter whee...

The Sky-Watcher 102mm Maksutov-Cassegrain is an inexpensive step up from a 90mm Mak. This compact optical powerhouse is capable of producing sharp,...

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...

If you want a small scope with big features, this 4" Celestron NexStar 4 SE may be what you're looking for. It has sharp 4" Maksutov-Cassegrain opt...

This low profile ZWO filter wheel is just what your monochrome camera ordered. Inside the CNC body of the ZWO EFW 7 position filter wheel you will ...

This Explore Scientific 28mm argon-purged is a substantial 2" eyepiece that gives impressively sharp and contrasty wide field views of nebulas, com...

These split and hinged UA 79mm i.d. optical tube mounting rings are made of solid aluminum, anodized black for long life. They are felt-lined and h...

Sky-Watcher Heritage 150 Tabletop Dobsonian Highlights Large 150mm aperture delivers crisp, contrast-rich views of the Moon, planets, and so much ...

Looking for a filter drawer for your large ZWO cameras? This might be the one for you. The M54 Filter Drawer with 20mm ring design is independently...

The ASI662MC adopts the Sony IMX662 sensor, has a rolling shutter, a frame size of 1/2.8", a pixel size of 2.9um, and has 2.07 million pixels (1920...

Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62° Series™ eyepieces are excellent flat-field multi-elem...

Looking for something out of the ordinary for your next eyepiece?  The Explore Scientific 52° series is a strong contender for necessary addition t...

Looking for something out of the ordinary for your next eyepiece?  The Explore Scientific 52° series is a strong contender for necessary addition t...

This premium 1.25" Takahashi TAKSD1 compression ring prism star diagonal is the diagonal that Takahashi puts with all of their complete telescope s...