Products

Adds 10mm of spacing to an imaging train M48 thread Helps set the back focus of a flattener, reducer or corrector Can be stacked with other M48 ex...

Low profile Nikon Z T-ring 10mm thickness which result in a back focus of 26mm when combined with the Nikon Z

The David Astro Penta Prism 90-Degree Diagonal is a non inverting non reversing diagonal. It’s particularly suited for use with the David Astro Pre...

Filter No.12 Filter No.21 Filter No.23A Filter No.56 Filter No.82 Moon & Sky filter

No backfocus requirement, it can be used with any telescopes, newtonians included, without the need for barlow or extender lenses. Self-Centering ...

This replacement rubber O-ring fits the Sky-Watcher 9x50 finder scopes and holds the finder securely in its mounting bracket. Over time, the origi...

Disclaimer:Note that we offer two types of cable management rings: standard rings and extended slot rings. Please choose the appropriate option...

Disclaimer:Note that we offer two types of cable management rings: standard rings and extended slot rings. Please choose the appropriate option...

Disclaimer:The ASIAIR Mini version has 6 slots instead of 8. Also, note that we offer two types of cable management rings: standard rings and e...

Three finder shoe positions Carries several finder-type accessories at once Finder scope, red dot finder or small guide scope No swapping accessor...

55mm back focus Works with f/5 to f/7 refractors Compatible with APS-C size cameras or smaller. Accepts 2" filters Optimized for refractors with...

The Variable Polarizing Filter is an essential tool for astronomical observing, designed to enhance your viewing experience by reducing glare and c...

Vibration Suppression Pads for Telescopes offer a reliable solution to reduce unwanted movement during stargazing. Designed to minimize vibrations ...

0.33X Focal Reduction Factor Designed for the Daystar Combo Quark Filter Full-Disk Imaging Possible with Small Sensors, Depending on Focal Length ...

Reduces focal length by a factor of 0.6x for wider solar views Brightens the image for significantly shorter exposure times Integrated tilt mechan...

Connects Daystar filters to 12VDC power sources Heavy-duty alligator clips for secure battery terminal connection Essential for powering etalon he...