Products

Used University 17mm Wide View Plossl Eyepiece.  Minor marks on 1.25" barrel, main body is good and optics are excellent.

Used University 6.5mm Konig-II Eyepiece.  Minor marks on 1.25" barrel, main body and optics are very good.

Used University 6.5mm Konig-II Eyepiece.  Minor marks on 1.25" barrel, main body and optics are very good.

Used University 8mm Konig Eyepiece.  Minor marks on 1.25" barrel, main body is great and optics are beautiful.

Used University Optics 25mm Konig MK-70 eyepiece, made in Japan.  Good condition.

Used University Optics 32mm Konig II eyepiece, made in Japan.  Good condition.

Used University Optics 9mm Orthoscopic eyepiece, made in Japan.  Good condition.

Used University Optics Klee 2.8x Barlow, made in Japan.  Good condition.

Used Vixen 13mm LVW Eyepiece, wide field, long eye relief.  Fair condition.

Used Vixen 22mm LVW Eyepiece, wide field, long eye relief.  Fair condition.

Used ZWO ASI533MC Pro color camera.  Like new!

Used ZWO ASI533MC Pro color camera.  Excellent condition.

Used ZWO ASI533MC Pro color camera.  Excellent condition.

Variable polarizing filters are one of the best filters you can have for a telescope.  They are used to cut down the glare from the moon and bright...

The 1.25-Inch variable Polarizing filter acts like a dimmer switch for your telescope. Adjust the amount of light transmission from 1% to 40% by ro...

  INCLUDED ITEMS: -dovetail bar-curved radius blocks-all necessary mounting hardware Fits all Celestron 11″ OTA’s including CPC and HD models. Cur...

Fits all Celestron 11″ OTA’s including CPC and HD models. Curved radius blocks and mounting hardware include. Uses existing mounting holes in OTA....

Fits V Series dovetail bars. Adds additional weight for balancing OTA’s. Split clamp design grips the dovetail bar along the entire surface of the ...

Fits V Series dovetail bars. Adds additional weight for balancing OTA’s. Split clamp design grips the dovetail bar along the entire surface of the ...

Telescope and spotting scope vibration is caused by windy conditions, an unsteady mount or tripod or even an accidental bump to the instrument, and...

Virtual View - The Visual Back with a Twist! Have you ever been to a star party with both kids and adults and wished you had an easy way to adjust ...

Virtual View - The Visual Back with a Twist! Have you ever been to a star party with both kids and adults and wished you had an easy way to adjust ...

Standard visual back as included with Celestron SCTs. Adapts 1.25" accessories (such as diagonals, camera adapters, etc.) to the standard SCT threads.

Fits all Meade 8″ OTA’s. Uses existing accessory mounting holes in the OTA. No curved radius blocks are needed. Uses existing mounting holes in OTA...

Universal Vixen style dovetail plate 14 inches long. Wt. 1.3 lbs., Length 14.0", thickness 0.6"

Specially prepared to mark the Fifth Anniversary of the launch of the James Webb Space Telescope. Calendar features: Large format, lots of room to...

Baader Wide-T-Ring Canon R to connect Canon EOS R cameras on the Astro T-2 system and S52 dovetail All Baader Wide-T-rings have an S52 dovetail i...

Serving up 58 calorically/nutritionally important wild edibles for the prepper, plant utilitarian, or curious hiker/camper, Wild Edible Plants of ...

"Wildflowers of Southeast Arizona: People exploring nature in Southeast Arizona can use this handy photographic field guide to identify common nati...

  X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system Pop-up rubbe...

  X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system Pop-up rubbe...

  X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system Pop-up rubbe...

  X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system Pop-up rubbe...

  Quality X-Cel LX 3x Barlow triples the magnification of any 1.25” eyepiece, perfect for owners of fast, short focal length telescopes 3-element ...

  X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system Pop-up rubbe...

  X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system Pop-up rubbe...

X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system Pop-up rubber...

Aircraft Grade Aluminum Thanks to the aircraft grade aluminum, the pier extension features great capac- ity of high-temperature resistance and wear...