All Things Astro
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New 1.25" RotoLock adapter available. Visual Back Only Weight: 100g
120mm Saddle Handle Bar
243mm Saddle Handle Bar
This 2-power nose piece barlow makes it easier to focus with most telescope. It can be screwed onto 1.25" eyepieces as well as binoviewers. For even more magnification, it can be placed after the optional...
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...
These 90 mm, felt-lined mounting rings are made out of solid aluminum, anodized in black or silver, and will fit most 90 mm OD tubes, and all William Optics 80 and 90mm telescopes (Megrez 80...
A must have add on for anyone looking to take great photos. This flattener will ensure that you have a non distorted image at the edges of the frame. Match this flattener with your ZenithStar...
A must have add on for anyone looking to take great photos. Match this reducer with your ZenithStar 61 or 73 telescope.
William Optics does it better and especially cheaper! Until today, you could choose only between high-end expensive binoviewers or monocular eyepiece observation. Today you can enjoy the benefits of BaK4 quality binoviewers in your refractor,...
Our new innovative M-PMA250 plate has both "Manfrotto and Arca Swiss size at opposite side design" the plate also has two 1/4-20 threaded hole , it's so easy to use with most camera and camera...
William Optics Camera Angle Rotators Allows you to rotate your camera 360°, making it easier to frame your shot just how you want it. Specifications Model Focuser Compatibility Known Compatible Focusers M-CAA54 2" M54 Focusers...
The cat saddle required the new mounting ring to fits on. New ring has paw logo on it.
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 new Optical acrylic sheet offers 92% of light transmission that gave you the highest and brightest diffraction Spikes for Focusing! It’s about 3 times brighter than traditional metal type. Traditional Metal vs Optical Sheet...
Made with high precision CNC and anodizing process. Our new dovetail plate are beautiful looking, strong and durable. Guarantee the safety of your telescope. Specifications 110mm Plate 210mm Plate 245mm Plate
FLAT6AIII Special Edition for Fluorostar 91 Adjust Distance for DSLR and Mirrorless Camera is 5.4mm.
Specifications
Comparison Table Backfocus Details Adapter Model Backfocus Details AD-M80-45-M48 For P-FLAT68III with FLT91 telescope: 5.0mm For P-FLAT68III with WIFD GT81 telescope: 10.9mm For Flat7A with FLT120 telescope: 1.4mm AD-M80-54-M48 For P-FLAT68III with GT81 WIFD telescope:...
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.
This high precision T-Mount has 48mm threads with outer hard black color anodizing. Made from high-quality aluminum material with CNC for a perfect fit!
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 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,...
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...
For Cat51 upgrade only This tilt adjuster is mainly design for some camera has tilted sensor need to be adjust.
Soft carry case for 98mm to 132mm series telescopes. Made of high quality nylon fabric with water resistant coating on the inside surface. Features the company name and swan logo on the outside, carrying handles,...
Made with high precision CNC and anodizing process. Our new dovetail plate are beautiful looking, strong and durable. Guarantee the safety of your telescope. Specifications
M63 (Female) to 2 Inch Push-in Adapter for P-FLAT6AIII With this 2" adapter and FLAT6Alll together, it will works for most refractor from 3"~ 4" f/6.5 ~ f/8 APO that has 2" barrel opener. Note:...
New Innovative Bahtinov Mask Cover (Patented) for Takahashi FSQ106 Telescopes
Mounting Ring and CAT Handle Bar Kit for ZenithStar 61 Version I
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...
This very practical Red Dot Finder (R.D.F.) comes with a handy, quick-release bracket included in the price. Centering your objects in the sky has never been easier! Look through the finder with one eye leaving...
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...
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.