This Astro-Tech two-part mounting base for the Astro-Tech #ATF multiple reticle finder lets you use the finder on two telescopes without having to change the base between scopes . . .
Astronomy magazine called the Astro-Tech AT66ED “a product everyone should own.” The cool dark forest green finish of this compact ED doublet refractor looks great, and its aberration-free apochromatic optics are great to look through, too . . .
Astronomy magazine called the Astro-Tech AT66ED “a product everyone should own.” So good, despite its low price, that you’ll swear this compact ED doublet refractor is an apochromat. And its deep red finish will make it the apple of every astronomer’s eye . . .
The Astro-Tech AT111EDT is a new 111mm aperture ED apochromatic triplet refractor that is priced hundreds of dollars less than smaller competitive 102mm and 110mm refractors . . .
Astronomy magazine called the Astro-Tech AT66ED “a product everyone should own.” You get the look of brass, without the frequent brass tarnish, in this Astro-Tech AT66ED. Oh yes, you also get apochromatic performance from its ED glass optical system at a sensational price . . .
Compare the performance and standard features of this Astro-Tech AT102EDT 102mm ED doublet refractor with competitively-priced refractors, or even those costing more. Oh, sorry. There is no comparison . . .
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 . . .