This very wide 70° field Astro-Tech AF Series 5mm focal length dual-barrel eyepiece is outstanding for medium to medium high magnification viewing with short focal length refractors and fast focal ratio/short focal length reflectors, and provides about the maximum usable magnification with a typical 8” f/10 catadioptric . . .
Temporarily out of stock; will charge and ship when available.
This blue and black Astro-Tech correct image right angle illuminated 10x50mm finder is a user-friendly replacement for the often less-convenient straight-through inverted image finder supplied with many Meade telescopes, such as the LX90 and LX200, but is also usable with virtually any brand and type of telescope . . .
The forest green and black Astro-Tech AT72ED is a worthy successor – and upgrade – to the AT66ED, an Astro-Tech scope that Astronomy magazine called “a product everyone should own.” The AT72ED is optically so good, despite its low price, that you might swear this compact air-spaced ED doublet refractor is an apochromat . . .
This 90mm diameter Feather Touch adapter is needed when upgrading the Astro-Tech AT8RC Ritchey-Chrétien astrograph to an optional Feather Touch #FT-1.5BC focuser . . .
Temporarily out of stock; will charge and ship when available.
These Astro-Tech 90mm guidescope rings mount a refractor up to 80mm o.d. on an optional Vixen-style dovetail that has been piggybacked on your main scope so that the small refractor can be used as a finderscope, photoguide, or astrograph . . .
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 . . .
