Temporarily out of stock; will charge and ship when available.
This Astro-Tech 50mm 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 20mm Astro-Tech Titan has a huge 70° field of view that will add “picture window on space” vistas to your observing at a price substantially less than many other exotic wide field designs with a similar field of view . . .
The huge 70° field of this big 38mm Astro-Tech Titan 2” super wide angle eyepiece will show you a “picture window on space” view with virtually any telescope – and it’s priced substantially below many other exotic super wide field designs with a similar 70° field of view . . .
Temporarily out of stock; will charge and ship when available.
The Astro-Tech AT111EDT is a 111mm aperture ED apochromatic triplet refractor that is priced hundreds of dollars less than competitive 102mm and 110mm refractors . . .
Temporarily out of stock; will charge and ship when available.
This Astro-Tech 1.25" 13% transmission neutral gray filter reduces the brightness and glare that can mask low contrast details during lunar and planetary observing . . .
This Astro-Tech 80mm 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 low power wide field 2” Astro-Tech Titan Type II ED 40mm eyepiece is great with catadioptrics and longer focal ratio refractors and reflectors for scanning large-scale deep space objects – open clusters, nebulas, star clouds, and more . . .
This 32mm Astro-Tech Titan 2” super wide angle eyepiece has a huge 70° field of view for “picture window on space” views with any telescope type – and it’s priced substantially below many other exotic super wide field designs with a similar 70° field of view . . .
This 12mm Astro-Tech Series 6 is a good quality medium power eyepiece with a wide 60° field of view with surprisingly good optical performance at a very reasonable price . . .
This 1.25" Astro-Tech Oxygen III light pollution line filter provides high contrast visual observing of emission nebulas from a light-polluted observing site that is comparable to the best-known filters, but at only a fraction their price . . .
