This Astro-Tech 35mm extension tube is used to make up for the loss of light path when a 2” star diagonal is removed from many refractor focusers and replaced by a camera and camera adapter for imaging. It can also be used with Astro-Tech Ritchey-Chrétien reflectors to bring webcams and DSLRs to the correct focus . . .
This forest green 7.9” Astro-Tech Losmandy-style “D-plate” short universal dovetail plate lets you mount short focal length optical tubes on Losmandy G11, HGM Titan, and GM-8 mounts, as well as on Celestron CI-700, CGE, and CGE Pro mounts . . .
This 20mm Astro-Tech Series 6 is a good quality medium power eyepiece with a very wide 65° field of view for broad deep space vistas at only a fraction the cost of exotic wide field designs with a similar field of view . . .
Temporarily out of stock; will charge and ship when available.
This low power wide field 2” Astro-Tech Titan Type II ED eyepiece is great with compact grab-and-go refractors for viewing large-scale deep space objects – open clusters, nebulas, star clouds, and more . . .
This 1.25" Astro-Tech ultra-high contrast narrowband filter lets you see nebulas from a badly light-polluted city of suburban observing site just as the best-known filters do, but at only a fraction the big-name price . . .
This forest green Astro-Tech 7” universal dovetail plate adds a touch of color to your mount and lets you mount short focal length optical tubes on any altazimuth or equatorial mount that uses a Vixen-style dovetail saddle . . .
This low power wide field 2” Astro-Tech Titan Type II ED eyepiece is superb for viewing large-scale deep space objects – open clusters, nebulas, star clouds, and more – particularly with a fast focal ratio Dobsonian reflector . . .
This economical Astro-Tech 1.25" UV/IR cutoff and luminance filter sharpens CCD images, particularly those containing stars that are strong UV and /or IR emitters . . .
This 8mm Astro-Tech Series 6 is a good quality medium to medium-high power eyepiece with a wide 60° field of view that you wouldn’t normally expect to find at such a very reasonable price . . .
This Astro-Tech 2” long extension ring, installed between your Astro-Tech Ritchey-Chrétien astrograph and its focuser, helps you match the back focus required for your particular complement of imaging components . . .
