Products

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...

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...

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...

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...

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...

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

Absolutely pinpoint resolution, total freedom from spurious color and distortion, an image clarity and contrast in a class all its own - the Questa...

When you need absolutely pinpoint resolution, total freedom from spurious color and distortion, and the highest possible light transmission and con...

This is it. The broadband-coated/Zerodur mirror Questar Birder is the ultimate spotting scope . . . This Questar Birder with broadband optical coat...

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

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 ...

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 ...

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