Imaging Train

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 about 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...

50mm Aperture Doublet Lens 200mm Focal Length f/4.0 Focal Ratio 1.25" RotoLock Eyepiece Holder Total Weight: 0.42 kg / 0.93 lbs Description FAQ...

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...

Integrates Off-Axis Guider and Filter Drawer 37.5 mm Optical Length Supports M48, M54, and M68 Connections Magnetic M48 Filter Holder 336 g (11.85...

Securely connects the Flat4 Field Flattener to the draw tube Designed for William Optics FLT 98, 110, 132, and 152 models Compatible with telescop...

Connects Flat4 Flattener to the V-Power Focuser Compatible with William Optics GT102 & FLT 132 Engineered for 2017 Telescope Models Secure Thr...

FPL53 ED Air-Spaced Doublet Lens Dual-Purpose Guide Scope and Imaging Telescope Draw-Tube (Push-Pull) Focuser Rotating Lens Assembly for Fine Focu...

Designed for the first-generation William Optics RedCat 51 (V1) astrograph Corrects image plane tilt for perfectly round stars across the frame Ad...

Connects FLAT68III & FLAT7A Flatteners to M48 Imaging Trains Provides a Fixed 45mm Optical Length Input Thread: M80 x 0.75 Output Thread: M48 ...

Connects M48 Female Threads to M42 Male Threads Adds Only 5.3mm of Optical Path Length Standard 2" Filter Thread (M48x0.75) to T-Thread (M42x0.75)...

Connects M48 Threaded Accessories to 2" Push-in Focusers Female M48 Threads for 2" Filter Attachment Adds a Fixed 36 mm of Optical Length Male M48...

360° of precise framing rotation Standard M54 male and female threads Adds a minimal 30.2 mm to the optical path Securely locks orientation for lo...

Connects P-FLAT6AIII Flattener to 2" Focuser Female M63 Threads for Flattener Connection Male 2" Push-in Barrel for Focuser Internal M48 Female Th...

Adds 80mm of Optical Length Connects to M63 Female Threads Outputs to M48 Male T-Threads Enables Focus Without a Field Flattener Designed for Will...

Connects William Optics FLT91 Telescope to Flat6AIII Flattener Input Thread: M92 Male Output Thread: M63 Female Optical Path Length: 10.5 mm De...