Showing 121–143 of 143 results
The Ultra-Cat 76 · 30th Anniversary Edition is a commemorative refractor celebrating three decades of William Optics craftsmanship and innovation. Built upon the acclaimed five-element advanced Petz
Enhance your astrophotography setup with the William Optics UniGuide 32mm f/3.75, a compact and versatile guide scope designed for precision and ease of use. This lightweight guide scope weighs only 2
Guidescope for William Optics telescopes. Compatible with QHY / ZWO mini cameras (cylinder model) only. Information Aperture: 50mm f/4 Weights: 515g Telescope connection: 1.25″
Guidescope for William Optics telescopes. Compatible with QHY / ZWO mini cameras (cylinder model) only. Information Aperture: 50mm f/4 Weights: 515g Telescope connection: 1.25″
Guidescope for William Optics telescopes. Compatible with QHY / ZWO mini cameras (cylinder model) only. Information Aperture: 50mm f/4 Weights: 515g Telescope connection: 1.25″
Finder mounting rings 50 mm. Weight 260 grams. Suitable for up to 50 mm finder tube. Includes vixen-saddle.
Vixen-style dovetail plate compatible with most small to medium equatorial mounts and star trackers. Universal mounting standard.
Camera angle rotator for precise field orientation without disconnecting your imaging train. Rotate to frame deep-sky objects exactly as desired.
WO Cellphone Holder Telescope Adapter for any type of smartphone!
Unique WO design – Full frame for cellphone camera with no vignetting!!!
Compatible with most Android, Windows, Blackberry and A
Superior Optical Design: Each telescope features a finely crafted hyperbolic primary mirror and a convex secondary mirror, both made from low thermal expansion quartz. This innovative optical design
Vixen-style latitude base mount with adjustable tilt angle for polar alignment. Ideal for star trackers and lightweight imaging setups.
The flattener is a lens that evens out the field, as this is slightly curved by the primary optics. This curvature causes stars that are imaged at the edge of the field of view to be less sharp. The f
Unleash your passion for the cosmos with the compact and powerful William Optics ZenithStar 61 II APO Refractor. Featuring top-notch Ohara FPL-53 ED glass, this telescope delivers clear, high-contrast
Step into a world of precision astronomy with the William Optics ZenithStar 73 III, the ultimate tool for avid sky watchers and astrophotographers. This advanced apochromatic refractor is engineered w
A premium refractor telescope that offers unparalleled optical precision with its innovative Internal Focus Design (WIFD). Perfect for astrophotography and visual observations, it features a patented
ZWO x William Optics Co-branded Limited Edition
Traditional equatorial mounts often require heavy counterweights, making it challenging to balance the right ascension (RA) and declination (DEC) axe
ZWO x William Optics Co-branded Limited Edition
Traditional equatorial mounts often require heavy counterweights, making them cumbersome to transport and balance. The AM5N addresses these challe
ZWO’s ASI120MM-Mini monochrome camera is perfect for autoguiding or planetary imaging. The ASI120MM-Mini uses a 1.2-megapixel monochrome sensor with a peak QE of 75% and low read noise to give an exce
The ZWO ASI2600MC Duo is a groundbreaking color astrophotography camera designed for stargazing enthusiasts. Combining a high-performance main camera with an integrated guide camera, it simplifies the
The ZWO ASI533MC-Pro is a high-performance cooled color astronomy camera ideal for capturing deep-sky objects, as well as high-resolution images of the Moon, Sun, and planets. Its square-format sensor
Introducing 5V EAF, this electronic focuser, like its previous version, enables precise, dynamic focus control for planetary and deep-sky imaging, while only connected to a 5V USB-port .
Features:
Manufacturer: K-ASTEC For upgrading the regular version of ZWO EAF Mounting Bracket
Manufacturer: K-ASTEC
Compatibility
Telescope Focuser: All of WO focuser with modular focusing mechanism
WIFD focuser (Recommended)
Focusers other than the WIFD may have slight dimens