Maksutov-Cassegrains

The NexStar 127SLT (Star Locating Telescope) is a big, but very affordable, go-to 5" aperture Maksutov-Cassegrain with high contrast/high resolutio...

The NexStar 90 SLT (Star Locating Telescope) is an affordable go-to 90mm Maksutov-Cassegrain with high contrast/high resolution catadioptric optics...

This Celestron spotting scope puts good quality Maksutov-Cassegrain optics for long-distance observing (both terrestrial and astronomical) into a c...

Optical theory says that a Questar should not be able to resolve lunar craterlets and rilles under 1.3 arc seconds across - yet there are countless...

For the serious amateur astronomer who would like to take Questar quality into the field for nature studies and photography, as well as for unsurpa...

For the serious amateur astronomer who would like to take Questar quality into the field for nature studies and photography in all climate extremes...

For the serious amateur astronomer who would like to take Questar quality into the field for nature studies and photography, as well as for unsurpa...

This Questar Seven Classic Titanium uses the same quartz mirror and coatings combination as the renowned 50th Anniversary 3.5" Questar, perhaps the...

One of our customers from Nebraska called up shortly after he received his Questar Field Model to say his scope clearly showed the power line into ...

Sky-Watcher 25th Anniversary Limited-Edition SkyMax 127 Virtuoso GTi Highlights 127mm (5 inch) aperture primary mirror  f/11.8 focal ratio - 1500m...

For the serious amateur astronomer who would like to take Questar quality into the field for nature studies and photography, as well as for unsurpa...

For the serious amateur astronomer who would like to take Questar quality into the field for nature studies and photography, as well as for unsurpa...

There can be only one best small telescope in the world. This world-class broadband-coated/Zerodur mirror Questar 3.5" Maksutov-Cassegrain with its...

With the factory-installed addition of the normally-optional battery-operated Powerguide III drive system, the standard Questar 3.5" Maksutov-Casse...

Observe through a Questar Seven Astro with broadband optical coatings, and you'll see detail and clarity in the skies that you have never seen thro...

This Questar Seven Astro uses the same quartz mirror and coatings combination as the renowned 50th Anniversary 3.5" Questar, perhaps the ultimate s...

There are mere mortal telescopes and then there is the Questar Seven Classic Titanium with broadband coatings, which inhabits a higher plane of ast...