All Things Astro
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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...
As seen on the RedCat 61 series, the patented William Optics Internal Focus Design (WIFD) makes its debut on the RedCat 51 series! The addition of the WIFD system brings something that RedCat 51 fans...
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...
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.
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.
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...
More info is coming! Specifications Lens Type: Focal Length: 478mm Diameter: 81mm F/ Ratio: Optional Flattener: Focuser: Lens Material: Strehl Ratio: Camera Format: Test Report: Interchangeable T-Mount: OTA Weight: Total Weight: Tube Length (Retracted):...
RedCat 71 Optical Design The William Optics RedCat 71 is the bigger brother to the highly-regarded RedCat 51, which has been raved about by astrophotographers since its release. Building on the RedCat 51's success, the...
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.
Our latest WO astro-imaging telescopes are designed exclusively for imaging. Featuring a 7-element design, they provide sharp, clear images. The 68mm model has a fast f/3.8 focal ratio, while the 111mm model is f/4.8, both...
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,...