Astro-Tech

Thirteen millimeters is the sweet spot for a lot of telescopes. In a 10-inch f/5 Dobsonian, it gives you 96x — enough magnification to resolve the ...

At 7mm, you're pushing into serious magnification territory. In a 10-inch f/5 Dobsonian, the 7mm XWA delivers 179x — high enough to resolve fine pl...

The 4.8mm XWA is the eyepiece you pull out when the atmosphere cooperates and you want to push your scope to its limits. In a 12-inch f/5 Dobsonian...

This economical Astro-Tech Laser Collimator permits fast and consistent collimation of a Newtonian reflector's optics, including Dobsonians and as...

Nine millimeters is where the view starts to get serious. In a 10-inch f/5 Dobsonian, it gives you 139x — enough to split tight double stars, pull ...

High-power planetary eyepieces have a reputation problem: the higher the magnification, the narrower the view, and the faster the planet drifts out...