William Optics

Precise focusing aid for telescopes with apertures between 75mm and 110mm Adjustable design to fit various telescope sizes within the specif...

Soft carry case designed specifically for 81mm William Optics telescopes Offers protection and convenience for tran...

90-degree erecting prism for 1.25" telescope eyepieces Provides correct image orientation for terrestrial and astronomical viewing Des...

Soft carry case designed specifically for William Optics 98mm, 102mm, 103mm, and 110mm telescopes Offers protection...

High-quality 1.25" diagonal for refractor and catadioptric telescopes 99% reflectivity dielectric coating for maximum light transmission ...

High-quality 2" diagonal for refractor and catadioptric telescopes 99% reflectivity dielectric coating for maximum light transmission ...

Adjustable field flattener specifically designed for the William Optics Z61 telescope Improves edge-to-edge sharpness for astrophotography w...

Versatile field flattener for William Optics refractor telescopes Adjustable design for optimal performance with various camera setups ...

0.8x reducer For William Optics FLT91 refractor Description The William Optics Adjustable Flat6AIII for FLT91 is a special editio...

Improves edge-to-edge sharpness for astrophotography 43mm image circle Adjustable design 66.2mm back focus Description Specifications In the Bo...

Adjustable reducer and field flattener for William Optics Z61 telescope Improves image sharpness and reduces distortion Description ...

Adjustable reducer and field flattener for William Optics Z73 telescope Improves image sharpness and reduces distortion Description ...

Bahtinov mask cover for William Optics GT71, Z73, and Star71II telescopes Enhances focusing accuracy for astrophotography Description ...

Bahtinov mask cover for William Optics GT81 and Z81 telescopes Enhances focusing accuracy for astrophotography Description The Willi...

Bahtinov mask cover for Takahashi FSQ106 telescope Enhances focusing accuracy for astrophotography Description The William Optics Ba...

Bahtinov mask cover for William Optics 102 & 103 Series telescopes Enhances focusing accuracy for astrophotography Description T...

Precision focusing aid for the William Optics FLT132 telescope Custom-designed to fit the FLT132 model perfectly Description T...

Precision focusing aid for the William Optics Z61 telescope Custom-designed to fit the Z61 model perfectly Description The Wil...

Enhances visual astronomy with comfortable two-eye viewing Complete package includes binoviewer, eyepieces, and accessories Descriptio...

Work with Vixen-style dovetail bars Made of durable materials Description The William Optics Birding 250mm Duelside Plate is an acces...

Camera angle rotator designed for William Optics 2.5" M63 focuser Allows precise adjustment of the camera angle for...

Allows attachment of Canon EOS cameras to William Optics telescopes Ensures a secure and stable connection for astrophotography Description ...

Soft carry case designed specifically for the William Optics FLT132 telescope Offers protection and convenience for...

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