Astro-Tech

This 2” dielectric mirror-type star diagonal is an outstanding value. At this low price, if there ever was a bargain in astronomy, this is it. This...

Astronomy magazine called it "a product everyone should own." Years of strong owner reviews — and a following of people who bought a second one whe...

This 1.25" Astro-Tech first-surface mirror star diagonal was named a Sky & Telescope Hot Product for 2007! Sky & Tel recognized that the As...

The Astro-Tech AT80ED has become one of the most popular refractors we've ever offered. With 80mm of ED aperture, a 560mm focal length, and a preci...

Four inches of aperture changes what a refractor can do. It's the threshold where you stop seeing suggestions of detail and start seeing the detail...

The first time you swap out a standard Plossl for the 28mm UWA, the difference hits you immediately. The field opens up from 50° to 82° — nearly th...

This finderscope mounting shoe is designed to work on a variety of Astro-Tech telescopes, as well as other manufacturers. This finder shoe is desig...

Looking to make your Astro-Tech (or variant) scope faster and flatter for photography? Then the .8x reducer/flattener is exactly what your are loo...

This economical Astro-Tech 2" 0.8x reducer/field flattener is designed for astrophotography with f/6 focal ratio refractors, but will also work wel...

The Astro-Tech #ATF multiple reticle finder is a single-power illuminated multiple reticle red-dot finder for astronomy and daylight terrestrial us...

This Astro-Tech 12mm Paradigm Dual ED medium power eyepiece has outstanding performance at a price that will make you wonder why other good quality...

Looking to make your Astro-Tech (or variant) scope faster and flatter for photography? Then the .8x reducer/flattener is exactly what your are loo...

The economical Astro-Tech #AT24IL illuminated reticle 1.25" eyepiece helps you align your go-to telescope on the sky, check your polar alignment fo...

This Astro-Tech 5mm Paradigm Dual ED eyepiece is excellent for medium to medium high magnification viewing with short to medium focal length refrac...

This Astro-Tech 8mm Paradigm Dual ED eyepiece is a logical choice for high quality/high magnification observing with long focal length refractors, ...

Seven millimeters is the high-power eyepiece in a 1.25" barrel — the one that turns a 10-inch Dob into a planet machine. At 179x, Jupiter shows clo...

New for August 2021, thread on adatper tops to choose between 42mm T-threads and 48mm T-threads. Named a Sky & Telescope Hot Product of the Yea...

For the backyard grab-and-go observer, for the Milky Way star field scanner, for the wide field imager, for the birder and terrestrial photographer...

Ten millimeters splits the difference between deep-sky and planetary magnification — high enough to resolve globular clusters and show structure in...

Four millimeters is the extreme end of useful magnification in a 1.25" eyepiece — the one you reach for when the atmosphere is dead calm and the pl...

Drop this eyepiece into a 12-inch Dobsonian and you'll understand what 100° does to a deep-sky view. The Orion Nebula doesn't just sit in the cente...