Products

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 #12 medium yellow Astro-Tech 1.25" eyepiece filter is helpful in improving lunar and Martian contrast in telescopes 4" to 8" in aperture, part...

This #21 orange Astro-Tech 1.25" eyepiece filter is useful in improving contrast when observing the Moon and all planets out to Saturn in telescope...

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...

If you have a big scope (8" in aperture and larger), this Astro-Tech #47 violet 1.25" eyepiece filter can help detect high clouds and haze over the...

If you have a scope 6" in aperture and under, this Astro-Tech #56 light green 1.25" eyepiece filter is a useful tool for observing different featur...

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...

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...

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...

Astro-Tech AT66EDQR 0.8× Reducer for the AT66EDQ The AT66EDQ’s most useful quality for imaging isn’t something that shows up prominently in the spe...

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

The AT102EDL is a versatile doublet APO at 714mm f/7 — plenty of focal length for mid-range targets and sharp enough for visual work on any given n...

You've got 115mm of ED triplet glass pointed at the sky. The AT115EDT's optics deliver clean color correction — three FK-61 elements working togeth...

The AT125EDL is a serious visual scope at 975mm f/7.8, but when you turn it toward astrophotography, two things work against you: the curved field ...

You've got 130mm of ED triplet glass pointed at the sky. The AT130EDT's optics deliver clean color correction — three FK-61 elements working togeth...

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...

This economical 0.8x focal reducer and field flattener is designed specifically for astrophotography with the Astro-Tech AT80EDT 80mm f/6 triplet a...

The AT90CFT and AT90EDX are excellent visual scopes at 540mm f/6, but if you're imaging through either one, you already know the two things an f/6 ...

The AT150EDL is an outstanding visual refractor and an excellent imaging telescope—but like every refractor, it was designed around a curved focal ...

This economical Astro-Tech ND9 neutral gray filter reduces the brightness and glare that can mask low contrast details during lunar and planetary v...

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...

THIS PRODUCT HAS BEEN DISCONTINUED.  THIS PAGE IS HERE FOR INFORMATIONAL PURPOSES ONLY. In addition to 99% reflectivity dielectric coatings, this ...

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

This economical Astro-Tech Laser Collimator permits fast and consistent collimation of a Newtonian reflector's optics, including Dobsonians and as...