Products

This Questar full aperture white light glass solar filter lets you safely observe fine detail on the surface of the Sun - sunspots, granulation, et...

This is an excellent high power eyepiece for observing lunar and planetary detail, resolving globular clusters, picking up small planetary nebulas ...

This Questar 0.7x achromatic focal reducer gives you faster photographic speeds with both 3.5" and 7" Questars.This 172mm focal length positive ach...

The Questar Astropier is a very stable and rigid portable pier that holds the 3.5" Questar eyepiece at a 57" working height for comfortable standin...

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...

The Questar #13092 dewcap is a replacement for a lost or damaged 3.5" Questar Duplex dewcap. This special order Questar #13092 dewcap with star cha...

The Questar #13093 dewcap is a replacement for a lost or damaged 3.5" Questar Field Model or Birder dewcap.This special order Questar #13093 anodiz...

The Questar #13091 dewcap is a replacement for a lost or damaged 3.5" standard Questar dewcap. This special order Questar #13091 dewcap with wrap-a...

The Questar #23028 dewcap is a replacement for a lost or damaged 7" Questar dewcap. The Questar #23028 dewcap is a replacement for a lost or damage...

The Questar #19526 motorized declination drive for fork-mounted Questar 3.5" telescopes is designed to be used in conjunction with a Questar Powerg...

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 ...

The Questar #20004 heavy duty equatorial fork mount will hold any 7" Questar optical tube and includes tripod legs for table-top operation.  The Qu...

The Questar Large Astro Pier holds the 7" Questar fork mount/drive base and a 7" Questar optical tube for equatorial operation. The Questar Large A...

This is a 15.5" x 9" x 8.5" genuine leather carrying case for 3.5" Questar Standard or Duplex telescopes. The case is made in the USA of wood, cove...

3.5" Questar telescopes come in a leather-look vinyl-covered hard case. This option exchanges that vinyl-clad case for a genuine leather hard case ...