Astro-Tech

You've been observing with the stock 25mm eyepiece for a few months. You know the Orion Nebula by heart at low power. But you've noticed that when ...

This Astro-Tech 5mm T-thread spacer ring can help provide the necessary spacing between a DSLR or CCD camera's focal plane and a reducer, field fla...

The Astro-Tech 19mm Premium Flat Field keeps the field wide at 65°, and delivers 20mm of eye relief that works even if you wear glasses. It's not a...

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...

This Astro-Tech 10mm T-thread spacer ring can help provide the necessary spacing between a DSLR or CCD camera's focal plane and a reducer, field fl...

This Astro-Tech 20mm T-thread spacer ring can help provide the necessary spacing between a DSLR or CCD camera's focal plane and a reducer, field fl...

This Astro-Tech 30mm T-thread spacer ring can help provide the necessary spacing between a DSLR or CCD camera's focal plane and a reducer, field fl...

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...

Protect your Astro-Tech 102EDL scope with this great hard case. The Astro-Tech AT102EDLC hard case is designed to hold the Astro-Tech AT102EDL 102m...

The AT115EDT has become one of the most popular imaging refractors we sell — 115mm of FK-61 triplet glass at 805mm f/7, enough aperture and focal l...

The AT80ED is a sharp, portable 80mm ED doublet that punches above its weight visually. But when you point a camera at it, f/7 starts to show its h...

There's a gap in most telescope lineups between the entry-level ED doublet and the full-treatment triplet APO. The 80mm doublet costs a few hundred...

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 ...

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...

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...

The AT90EDX and AT90CFT are triplet APO refractors with essentially perfect on-axis optics — guaranteed .95 Strehl or higher. But point a camera at...

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...

The AT102ED is one of the better values in 4-inch refractors — 102mm of ED glass at f/7, sharp enough for serious visual work and big enough to pul...

This Astro-Tech aluminum-framed hard case is designed to hold the Astro-Tech AT125EDL 125mm ED doublet refractor. The Astro-Tech ATHC125 hard case ...

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 ...

The AT130EDT is one of the more capable imaging refractors in our lineup — 130mm of FK-61 triplet glass at 910mm f/7, sharp enough to resolve detai...

Looking for some help moving your scope around?  This handle is the much needed answer to your problems. The Astro-Tech D Style handle is not only ...

The Astro-Tech ATCOLL Newtonian reflector collimating tool is a combination 1.25" sight tube and Cheshire eyepiece. It is precisely machined of alu...