Questar

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

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

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

This is an excellent very high power eyepiece (best used with the 7" Questars) for observing lunar and planetary detail, resolving globular cluster...

This premium Questar 45° viewing angle image erecting diagonal fits into the back of any Questar 3.5" scope to provide upright and correctly left-t...

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...

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...

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

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...

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 a factory retrofit installation of the DC-powered Powerguide III drive/drive corrector in your existing 7" AC-powered fork-mounted Questar ...

This is a factory retrofit installation of the DC-powered Powerguide II drive/drive corrector in your existing 3.5" AC-powered Questar telescope.Th...

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...

For mounting a 35mm Leica R4 camera on a Questar camera adapter only . . . Accessory to attach a 35mm Leica R4 camera (with a 3-tab bayonet mount) ...

For mounting Contax/Yashica FR bayonet-mount cameras on a Questar camera adapter only . . . Accessory to attach a 35mm Contax RTS/Yashica FR bayone...

The Questar Starguide is an off-axis guider body for Questar 3.5" and 7" astro telescopes. It includes a factory-set 7mm 90° take-off prism to dire...

This Questar variable polarizing assembly allows you to control the effective f/stop of a Questar telescope during terrestrial and lunar prime focu...

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 Powerguide III DC drive/quartz-control drive corrector allows you to operate the Questar's drive motor away from all AC power sources. It also ...

For mounting 35mm Pentax K-mount bayonet lens mount cameras on a Questar camera adapter only . . . Accessory for 35mm cameras using a Pentax K-moun...

For mounting Olympus 35mm cameras (OM-1, OM-1n, OM-2, etc.) on a Questar camera adapter only . . . Accessory to attach an Olympus 35mm camera body ...

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...

For mounting 35mm Minolta Maxxum camera body (except 2xi, 3xi, and Spxi models) and Sony DSLR cameras on a Questar camera adapter only . . . Access...

For mounting 35mm Minolta cameras (not auto-focus Maxxum models) on a Questar camera adapter only . . . Accessory to attach a 35mm Minolta camera b...