OTA

This big and optically excellent 152mm (6") Explore Scientific air-spaced ED triplet apochromatic refractor has a carbon fiber body and a 2.5" Hex ...

This new version of the Hot Product for 2015 Astro-Tech AT14RCT carbon fiber truss Ritchey-Chrétien makes high quality DSLR and CCD imaging afforda...

This newest Version A of the Astro-Tech AT12RCT carbon fiber Serrurier truss Ritchey-Chrétien Hot Product for 2015 makes high quality large-apertur...

This newest version of the Astro-Tech AT16RCT carbon fiber Serrurier truss 16" f/8 Ritchey-Chrétien Hot Product for 2015 makes high quality large-a...

After many customer requests, we are proud to now offer the Astro-Tech AT10RC Ritchey-Chrétien astrograph, a Sky and Telescope Hot Product for 2010...

The 10" Astro-Tech AT10RC Ritchey-Chrétien astrograph is a Sky & Telescope Hot Product for 2010 and an Astronomy Star Product for 2010 award wi...

This Takahashi FSQ-106EDX4 quadruplet is the ultimate portable no-compromise photo/visual refractor. The Takahashi FSQ-106EDX4 quadruplet is a rede...

  Highlights A breakthrough 36 cm aperture, f/2.2 optical system designed for professional applications that require both a wide field of view and...

There are state-of-the-art Starbright XLT multicoatings on the hand-figured 14" aperture SCT optics of this impressive optical tube, plus a Fastar-...

This Astro-Tech AT106EDQ ED refractor has: • 106mm f/7 fully multicoated four-lens/two-group refractor• two ED lens elements• amazing flat field as...

This is an imaging system only and works with Fingerlakes Tele Vue Optics and Finger Lakes Instrumentation have teamed together to create a "turn-k...

From now until January 3rd, 2025, get a free reducer when you purchase a 65mm, 80mm, or 107mm telescope.  Just buy the scope and we will add the re...

The 7" Maksutov Cassegrain is a fantastic instrument just begging to get out under the stars and bring its high contrast optics to your eye. The 7"...

Observe through a Questar Seven Astro, and you'll see detail and clarity in the skies that you have never seen through a lesser scope, or even thro...

If there are telescopes in heaven, chances are good they use Questar Seven Astro optical tubes with broadband optical coatings and a thermally-stab...

Even better to look through than its star chart-covered body is to look at, The Questar Seven Classic Titanium is loaded with performance and built...

Is this Questar Seven Classic Titanium the ultimate mid-sized telescope? I think so. I own a 7" Classic with broadband coatings and a Zerodur mirro...

With all due respect to the other spotting scopes shown on this site, there can only be one "best spotting scope in the world." This Questar Field ...

The ZWO FF series is a potential fit for your astro-photography needs. The ZWO FF65 APO is a flat field astrograph that can be used visually as wel...

Enjoy scanning the night skies with this fantastic 6" iOptron Maksutov. The iOptron® Rumak-type 150mm Maksutov-Cassegrain is perfect for the seriou...