William Optics

Brand new William Optics GuideStar 61 F/5.9 APO. Comes complete with matching carrying case. Available in 3 colours to match your William Optics OTA.

The newborn Zenithstar 61II (2020 Model) is the most versatile and portable scope ever made by William Optics. It provides and excellent sharp image with any DSLR for astrophotography or wildlife photography.

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.

Brand new William Optics RedCat 51 APO is a beautiful, high quality refractor featuring a superior quality Petzval design with synthetic fluorite FPL53 and FPL51 glass. Supports full frame cameras for breath taking wide field images.

We are proud to introduce the limited edition William Optics SpaceCat 51 APO. The same superb petzval design as the RedCat 51, but with a few improvements and new sleek design.

The new GT71 features a 3-element objective using high-quality FPL-53 extra-low dispersion glass that reduces any secondary spectrum to an unbelievable degree.

We are very exciting to announce All New 2019 Super ZenithStar 81 F6.9 imaging APO!!! This beautiful scope is everything you always wanted in a refractor, starting from extreme sharpness for clear details, and APO color correction.

The new 2019 GT81 MKIV (Fourth Generation) three-element super APO Anniversary offer superb quality for imaging and visual use at an affordable price！From the pristine white finish on the CNC to the elegant gold trim which has more than just good looks.

New for 2021 - The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. The three-element optical design features a 91mm aperture using FPL-53 glass. 

The brand new Fluorostar 120 APO by William Optics meets the demands of the modern astrophotographer with high quality glass, 3.3" heavy duty focuser with rotator and bahtinov mask.

Simply put: a joy to use. You will be blown away by the small details you can observe through this APO 132mm; fine details of DSOs, stunning resolution both visually or during astrophotography.

Experience the best of the line: the Williams Optics FLT151 Triplet APO f/6.6 Refractor with All-New 4" feathertouch focuser!