Astro-Tech

You spend half the night swapping eyepieces. A 28mm wide-field for the big nebulae, a 16mm for the tight clusters, and something in between that yo...

The Astro-Tech AT152FF 0.8x focal reducer/field flattener is designed specifically for prime focus astrophotography with the AT152EDT triplet refra...

Astro-Tech AT115EDTRFv3 0.8× Reducer/Field Flattener The AT115EDT is a triplet apochromat — three air-spaced elements that bring color under tight ...

This Astro-Tech #58 dark green 1.25" eyepiece filter is very helpful when observing the Moon and Mars, plus enhances a variety of features on all t...

If you are looking for a great medium focal length eyepiece at a fantastic price, then grab one of these closeout 15mm while you still can.The 15mm...

This Astro-Tech 2” 13% transmission neutral gray filter reduces the brightness and glare that can mask low contrast details during lunar and planet...

There's a specific kind of frustration that comes from imaging with a refractor and reviewing your frames the next morning. The core of M33 is exac...

Alan Dyer reviewed the AT86EDQ for Sky & Telescope (July 2025) and called it one of his picks for a desert-island telescope — the one scope he'...

The Astro-Tech Variable Camera Adapter consists of three parts for both prime focus and eyepiece projection imaging with 1.25" focuser refractors a...

Astro-Tech AT130EDTRFv3 0.8× Reducer/Field Flattener A triplet apochromat like the AT130EDT does one thing very well: it controls color. Three elem...

The AT80EDT is one of our most popular grab-and-go imaging refractors — 80mm of FK-61 triplet glass at 480mm f/6, compact enough for airline travel...

Astro-Tech AT130EDTFFv3 1× Field Flattener Sometimes you don't want to speed up your system. You want to sharpen it. The AT130EDT is a 910mm f/7 tr...

This product has been discontinued and is here for informational purposes only. This 4mm Astro-Tech Value Line is one of the shortest focal length ...

High-power planetary eyepieces have a reputation problem: the higher the magnification, the narrower the view, and the faster the planet drifts out...

The EDQ series scopes are designed with imaging in mind. The quad-element optical system builds field correction right into the telescope — no sepa...

If you have a big scope (10" in aperture and larger), this #29 dark red Astro-Tech 1.25" eyepiece filter can be useful when observing Mercury and V...

This black 13" Astro-Tech Losmandy-style "D-plate" universal dovetail plate lets you mount long focal length optical tubes in Losmandy style saddle...

This product is discontinued.  This is here for informational purposes only.   This Astro-Tech 125mm guidescope ring set mounts a refractor up to 1...

The AT80EDLRF is the dedicated 0.8× reducer and field flattener for the Astro-Tech AT80EDL f/7 doublet APO refractor. It does two things at once: i...

Most refractors need a separate field flattener to image properly. You buy the scope, then you buy the flattener, then you figure out the spacing, ...

This newest Version A of the Astro-Tech AT10RCT carbon fiber Serrurier truss Ritchey-Chrétien Hot Product for 2015 makes high quality large-apertur...