Products

7-Element APO Refractor Design F/3.8 Fast Focal Ratio WO Internal Focuser Design (WIFD) Portable and Versatile Description Specifications In th...

Provides precise focusing for Ritchey-Chrétien telescopes Includes an optional 0.8x reducer flattener for improved image quality Description...

Red dot finder for easy target acquisition Includes Vixen-style mounting base for versatile attachment Description The William...

51mm 4-elements Petzval refractor 250mm focal length - f/4.9 focal ratio 48mm image circle - No field flattener required! WIFD focuser design D...

51mm 4-elements Petzval refractor 300mm focal length - f/4.9 focal ratio 46mm image circle - No field flattener required WIFD focuser design ...

71mm APO F/4.9 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your passion for astrophotography with ...

1.25" erecting prism for correct image orientation Silver-finished design specifically for RedCat telescopes Description The W...

Precision-machined from high-grade aluminum for a perfect fit Description The William Optics Saddle Plate for Vixen-Style Dovetail Plate - 9...

Adapter for connecting Schmidt-Cassegrain telescopes to William Optics diagonals Gold-anodized finish for durability and aesthetic appeal ...

Seamlessly integrate with your existing astrophotography gear. Ensures stable attachment of your telescope to your mount. Description In the bo...

Seamlessly integrate with your existing astrophotography gear. Ensures stable attachment of your telescope to your mount. Description In th...

Compact 32mm guide scope 120mm focal length For use with 1.25" guide cameras Description Upgrade your astrophotography equipment with the Wi...

Make it easier to find and track guide stars User-friendly and can be set up quickly Description The William Optics Slide-Base UniGuide 50mm...

Soft carry case designed specifically for William Optics Z71, Z73, Star71, and GT71 telescopes Offers protection an...

Soft carry case designed specifically for the William Optics Zenithstar 61 telescope Offers protection and convenience for transporting your...

1.25-inch eyepiece with 55° apparent field of view 12.5mm focal length for medium-high magnification viewing Description The W...

Dual-bandpass filter for astrophotography Optimized for H-alpha and OIII emission lines Description The William Optics STC Ast...

Multi-bandpass filter for astrophotography 48mm thread-on design for easy attachment Description The William Optics STC Ultra ...

STL adapter designed for William Optics FLT flatteners Ensures a secure connection between your FLT flattener and S...

Super high precision T-Mount designed for Canon EOS full-frame cameras Constructed from durable copper for enhanced...

Super high precision T-Mount designed for Nikon full-frame cameras Constructed from durable copper for enhanced sta...

2-inch eyepiece with 72° apparent field of view 40mm focal length for wide-field, low-magnification viewing Description The Wi...

1.25-inch eyepiece with 72° apparent field of view 9mm focal length for high-magnification, wide-field viewing Description The...