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.
William Optics RedCat 51 v1.5 is a superb widefield imaging telescope with a flat field and large helical focuser. Special offer price whilst stocks last!
The very latest RedCat 51 II by William Optics features an improved helical focuser and an updated tension adjustment to give you the best possible widefield imaging OTA.
The very latest RedCat 51 II by William Optics features an improved helical focuser and an updated tension adjustment to give you the best possible widefield imaging OTA.
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.
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 refractor for astrophotography.
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.
The brand new William Optics RedCat 61 is the latest Cat to join the family. Featuring high quality glass in a Petzval design for a flat field edge to edge, plus the brand new internal focusing mechanism.
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 refractor for astrophotography.
The WO Cat71 is a 71-mm f/4.9 refractor using a Petzval design with a doublet front element incorporating FPL-53 glass, plus a single central element and a single rear lens.
Step up your stargazing game with the William Optics Cat71 WIFD, a superior apochromatic refractor telescope designed for those who demand more from their astronomical pursuits.
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.
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