Products

Look no further for an LRGB set for your 1.25" filter wheel or drawer. Time to get serious with your monochrome CCD or CMOS camera.  The filter set...

Look no further for an LRGB set for your 2" filter wheel or drawer. Time to get serious with your monochrome CCD or CMOS camera.  The filter set wo...

Take your imaging up a notch with the improved OIII filter from Optolong. Optolong filters are here to help all of us Earth based Astronauts.  As l...

Take your imaging up a notch with the improved OIII filter from Optolong. Optolong filters are here to help all of us Earth based Astronauts.  As l...

Add this set to your LRBG set and get the most out of your imaging.This Optolong filter set is designed to bring out the best in your astro-photogr...

Add this 3nm set to your LRBG set and get the most out of your imaging.This Optolong filter set is designed to bring out the best in your astro-pho...

The SII 6.5nm from Optolong works fantastically as a photographic filter, but also works for viewing faint nebula. Optolong filters are here to hel...

The SII 6.5nm from Optolong works fantastically as a photographic filter, but also works for viewing faint nebula. Optolong filters are here to hel...

This short focal length Pentax is a high power eyepiece usable for both terrestrial and astronomical observing. Terrestrially, it is superb for det...

This medium focal length Pentax is a dual-purpose eyepiece for both terrestrial and astronomical observing. Terrestrially, it is an excellent moder...

This medium focal length Pentax is a dual-purpose eyepiece for both terrestrial and astronomical observing. Terrestrially, it is an excellent moder...

This Pentax zoom eyepiece is physically sized for use with the compact 65mm Pentax spotting scopes. It can also be used with the 80mm and 100mm Pen...

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

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

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...

This medium focal length 2" Pentax eyepiece is an excellent choice for medium power deep space observing with long focal length refractors, reflect...

This long focal length 2" Pentax eyepiece is outstanding for low power/wide field astronomical observing with long focal length refractors and cata...

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 wide field Pentax eyepiece is designed for high power observing of objects on the ground by day and in the skies at night. Terrestrially, it i...

This is an ultra-premium six-element zoom eyepiece. It has a long eye relief that's particularly well-suited to those who must wear eyeglasses whil...

This Product Has Been Discontinued And Is No Longer For Sale.  This Product Is Listed For Informational Purposes Only. This adapter converts a 100m...

Telrad Replacement Reticle Restore the Precision of Your Telrad Finder Over time, even the most dependable equipment can show signs of wear—and the...

This straight-through viewing non-magnifying finder has a bull's-eye reticle, rather than a red dot. When you look at the sky through the tilted cl...

 The compact 3.5" long Skylite Mini variable brightness flashlight provides two different colors of light - blue-white to help you set up and take ...