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...

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...

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...

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 ...

For absolutely exquisite and detailed long distance observing, no scope beats the images of this "legendary" Questar Field Model with broadband opt...

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

In 1950, Questar introduced the first truly portable, lightweight, 3.5" astronomical telescope. Regarded as the finest personal telescope in the wo...

In 1950, Questar introduced the first truly portable, lightweight, 3.5" astronomical telescope. Regarded as the finest personal telescope in the wo...

In 1950, Questar introduced the first truly portable, lightweight, 3.5" astronomical telescope. Regarded as the finest personal telescope in the wo...