Parts and Accessories

Exceptionally Thin Profile to Conserve Back Focus Extremely Lightweight to Reduce Focuser Strain M54 Female and Male Threads for Common Imaging Tr...

16mm Ultra-Thin Profile Lightweight 800g Construction High-Resolution Motor Drive M92 Threaded Connections Quiet and Smooth Operation Descripti...

Securely holds 1.25" eyepieces and accessories RotoLock system provides self-centering, even grip Attaches to standard SCT rear threads (M50.8 fem...

120 mm Length 44 mm Width Integrated Mini-Vixen Style Saddle Patented Handlebar Design Lightweight and Durable Construction Description FAQ Spe...

120 mm Total Length Patented Handle and Saddle Design Mini-Vixen Dovetail Saddle Includes 50mm Guide Rings 44 mm Width Description FAQ Specific...

120 mm Length Integrated 50mm Guide Rings Mini-Vixen Style Top Saddle 44 mm Width Designed for Maximum Rigidity Description FAQ Specifications ...

2" RotoLock adapter designed for M63 threads Ensures a secure and precise connection for 2" accessories ...

Designed for Schmidt-Cassegrain Telescopes (SCT) Features a secure RotoLock mechanism for 2" accessories Description The Willi...

Converts 2" focusers to a 1.25" holder Innovative RotoLock self-centering mechanism Dual input: 2" push-in barrel and female M48 threads Adds 38 m...

243mm total length Functions as both a carrying handle and an accessory saddle Patented design for rigidity and ergonomics Vixen-style saddle for ...

Compatible with William Optics' slide-base guide rings Can be used to make William Optics telescopes portable Description The Wil...

Adapts 3.5" William Optics focusers to a 2" receiver Features the secure, self-centering RotoLock mechanism Connects via M92 x 1 male threads Adds...

30mm Optical Length Connects M80 x 0.75 to M54 x 0.75 Threads For William Optics Flat68III & Flat7A Flatteners Description FAQ Specificatio...

Adds 67 mm of optical length to your imaging train Features M92 male and female threads for a secure connection Designed for William Optics FLT 11...

4" extension tube designed for William Optics FLT Series Provides additional back focus for various optical setups ...

Connects M48 (2-inch) Threaded Correctors to Canon EOS Cameras Wide M48 Aperture Eliminates Vignetting on Full-Frame Sensors Adds a Precise 10.6 m...

Connects M48-threaded correctors to Canon EOS R mirrorless cameras Wide 48mm aperture minimizes vignetting on full-frame sensors Precisely machine...

Connects M48-threaded correctors to Fujifilm X-mount (Fuji FX) mirrorless cameras Wide 48mm aperture minimizes vignetting on APS-C sensors Precise...

Connects M48 Accessories to Nikon F-Mount Cameras Precisely machined 8.2 mm optical length achieves exact 55mm back focus when combined with camer...

Connects M48 accessories to Nikon Z-mount mirrorless cameras Precisely machined 38.4 mm optical length achieves exact 55mm back focus when combine...

Connects Pentax K-Mount Cameras to M48 Accessories Precisely machined 9.3 mm optical length achieves exact 55mm back focus when combined with came...

Connects Sony E-mount cameras to M48 accessories Provides a precise 36.7 mm optical length M48 (female) threads reduce vignetting on large sensors...

Provides a precise 54mm of optical length Connects the FLAT68III flattener to M48 imaging trains Designed specifically for the William Optics Gran...

Adds 360° of smooth camera rotation Designed for William Optics 2.5" focusers Secure M63 male and female threads Maintains optical alignment durin...