After many customer requests, we are proud to now offer the Astro-Tech AT10RC Ritchey-Chrétien astrograph, a Sky and Telescope Hot Product for 2010, with a premium low thermal expansion carbon fiber body. The AT10RC is the first truly affordable large aperture true Ritchey-Chrétien astrograph available from a U. S. company, and is priced thousands of dollars less than competitive 10" RCs.
With a long 20mm eye relief that’s great for eyeglass wearers, this low power 32mm Astro-Tech Value Line Plössl has surprisingly good 50° field performance that will please your eye, at a really low price that will also please your budget . . .
Great for eyeglass wearers, this long eye relief low to medium power 25mm Astro-Tech Value Line Plössl has surprisingly good 52° field performance at a really low price that’s equally surprising . . .
Compare the performance of this Astro-Tech 17mm High Grade Plössl eyepiece with other Plössls costing as much as twice its sensible price and you might find yourself very hard-pressed to see a difference . . .
Temporarily out of stock; will charge and ship when available.
The newest addition to the growing Astro-Tech family. Introduced at NEAF 2009, the 130mm f/6 AT130 is sure to take its place among the titans of the refractor world. Don't let the price fool you, this is a world class instrument . . .
These mounting rings fit the TMB92L triplet apo refractor, as well as any other refractor with a 90mm OD tube such as the Astro-Tech AT80 and all William Optics 80mm telescopes (Megrez 80 and ZenithStar 80, for example) . . .
If you wear eyeglasses, this Astro-Tech 5x three-element apochromatic ED Barlow is a great way to add eyeglass-friendly high power observing by amplifying the power of your existing long focal length/long eye relief eyepieces . . .
With a long eye relief that’s good for eyeglass wearers, this low power 40mm Astro-Tech Value Line Plössl gives you the widest field possible from a 1.25” eyepiece for the big picture at a very little price . . .
This Astro-Tech #80A medium blue 1.25” eyepiece filter is very helpful when observing the Moon, Mars, Jupiter, and Saturn if you have a scope 6” to 8” in aperture and larger . . .
Temporarily out of stock; will charge and ship when available.
This black finish Astro-Tech 90mm guidescope ring set mounts a refractor up to 80mm o.d. on an optional Losmandy-style “D-plate” dovetail that has been piggybacked on your main scope so that the small refractor can be used as a finderscope, photoguide, or astrograph . . .
