William Optics Telescopes

The wildly popular RedCat has earned it's place as a legendary astrograph. These use premium glass to deliver accurate color, a flat image, and a wide field. They're great little scopes, perfect for imaging massive...

The 32 mm UniGuide guide scope from William Optics has a focal length of 120 mm and a focal ratio of f/3.75. The guide scope comes with a Vixen-style slide-base. This base is compatible with...

The 50 mm UniGuide guide scope from William Optics has a focal length of 200 mm and a focal ratio of f/4. The guide scope comes with a Vixen-style slide-base. This base is compatible with...

The stunning Gran Turismo 71 Apo is the new jewel of the apochromatic refractor world. From the pristine white finish on the CNC tube to the elegant red or gold trim, this telescope has more...

This Z61 refractor gives a high power performance both visually and, when paired with the P-FLAT61R (not included), for lunar photography. The ZenithStar 61 is a great instrument you'll be able to appreciate for several...

All new, a unique, RotoLock high-quality fully multi-coated WO 50mm f/4 Guiding scope that fits perfectly on your William Optics scope and other telescopes.The tube diameter is 54mm with a 58mm dew shield. Convenient Guiding...

When 51mm isn't quite enough you can step up to this super-sized RedCat. The same legendary optical design and premium glass in a larger aperture option. These are pretty incredible astrographs.

The 81mm ZenithStar APO refractor from William Optics is a great addition to the ranks of telescopes that are devoted to providing fantastic astro-images through high-quality optics and chromatic aberration correction.

The New Gamechanger Introducing the William Optics Internal Focus Design (WIFD) Apochromatic Series. This innovative and revolutionary design combines a precision (Patented) internal focusing mechanism with the highest quality optics available, providing the ultimate Apochromatic...

The wildly popular William Optics RedCat has earned it's place as a legendary astrograph and the new 61mm variant builds on that. William Optics has added their innovative Internal Focus Design WIFD to improve compatibility...

The William Optics FluoroStar 120 Refractor is an air-spaced triplet APO. Using three elements made of high-end fully coated glass like FPL-53 virtually removes chromatic aberration and produces images that are sharp and full of...

The William Optics FLT 132 APO Telescope is a high quality Apochromatic Imaging and visual use telescope with an aperture of 132 mm and a focal length of 910 mm for an f-ratio of f/6.9.

The William Optics Fluorostar 156 APO OTA is a high quality Apochromatic Imaging and visual use OTA with an aperture of 156 mm and a focal length of 1217 mm or an f-ratio of f/7.8.

The FLT 91 employs FPL-53 glass and has an optical design consisting of three elements. ln addition, with STM-coatings enabling superb optical performance, the FLT 91 provides excellent quality that is tough to match.

The William Optics Gran Turismo 81 Imaging APO Telescope is a high quality Apochromatic Imaging optical telescope with an aperture of 81 mm and a focal length of 478 mm or an f-ratio of f/5.9,...

Zenithstar 73 is a greatly versatile and portable refractor telescope for beginners and veterans alike. Designed for both astrophotography and wildlife photography, high power visual observing through the Zenithstar 73 is also hugely satisfying.