Adapters
Connect your gear with confidence using our wide selection of astronomy adapters. This collection includes all the essential adapters you need to seamlessly link telescopes, cameras, eyepieces, filters, and other accessories for both visual observation and astrophotography. Whether you're attaching a DSLR to a focuser, threading a filter wheel to a CMOS camera, or adapting between different thread sizes or mounting standards, our high-quality adapters ensure secure, precise connections. Built for compatibility and durability, these adapters make your setup more versatile and ready for any observing or imaging session.
Filters
William Optics Micro 4/3 48mm T-Mount for Olympus - Black
Connects M48 Correctors to Olympus Micro 4/3 Cameras Fixed 35.6 mm Optical Length for Precise Back Focus Light-In Connection: M48 (Female) Thread ...
View full detailsWilliam Optics SCT Connection for WO Diagonals - Gold
Connects M50.8 Male to M48 Female Threads Adds 13.8 mm of Optical Length Female Thread: M50.8 Male Thread: M48 Signature William Optics Gold Anodi...
View full detailsWilliam Optics STL Adapter for FLT Flattener
Connects SBIG STL-11000 Series CCD Cameras Attaches to P-FLAT68 Field Flatteners via M80 Female Thread Provides a Precise 69 mm Optical Path Lengt...
View full detailsWilliam Optics Super High Precision COPPER T-Mount for Canon EOS Full Frame
Solid Copper Construction for Maximum Rigidity M48 (2") Female Thread for Wide-Field Correctors Connects to Nikon F Mount Camera Bodies Precise 8....
View full detailsWilliam Optics Super High Precision COPPER T-Mount for Nikon Full Frame
Solid Copper Construction for Maximum Rigidity M48 x 0.75 Female Thread for Wide-Field Correctors Designed for Nikon Full-Frame DSLR and Mirrorles...
View full detailsZWO Adapter - 2mm M54(M)/M48(F)
Connects M54 Filter Wheels to M48 Cameras Adds Only 2 mm to Optical Path Maintains 55 mm Back Focus Standard Knurled Edge for Secure Grip Designed...
View full detailsZWO EOS Lens Adapter for 2" EFW
Connects Canon EOS lenses to a ZWO 2" Electronic Filter Wheel M54x0.75 female thread for direct, secure attachment Enables filtered, wide-field as...
View full detailsZWO EOS Lens Adapter for EFW
Connects Canon EOS lenses to ZWO Electronic Filter Wheels (EFW) Engineered for ZWO cameras with 6.5mm back focus (e.g., ASI1600) Establishes the c...
View full detailsZWO M42 Adapter for OAG
M42 adapter for main imaging camera Specifications
ZWO M42 Extension - 21mm
Adds exactly 21mm of spacing to an M42 optical train M42x0.75 female threads on one side, male threads on the other Machined aluminum with a black...
View full detailsZWO M42 Plate for CAA Rotator
Converts ZWO CAA Rotator to M42 T-Threads Maintains 55mm Backfocus Standard Zero-Profile Design Adds No Optical Path Length Ideal for ASI533, ASI2...
View full detailsZWO M42-M48 Adapter - 16.5mm
Adds a precise 16.5mm of optical path length Connects female M42 (T2) threads to male M48 threads Essential for achieving standard 55mm back focus...
View full detailsZWO M42e to M48i Extension - 22.5mm
Establishes precise 55mm back focus with specific ZWO camera/filter wheel combinations Provides exactly 22.5 mm of optical path length Connects M4...
View full detailsZWO M48 Extension - 16.5mm
Adds exactly 16.5 mm of spacing to an M48 imaging train M48x0.75 male and female threads Wide 48 mm aperture prevents vignetting with full-frame s...
View full detailsZWO M48-M42 Adapter
Converts female M48x0.75 threads to female M42x0.75 T-threads Adds 0mm of optical path length to the imaging train Standard accessory for many ZWO...
View full detailsZWO M54 Adapter replacing EFW
Replaces the ZWO EFW to achieve 55mm back focus with the OAG-L Adds only 15 mm of optical length to the imaging train Features an internal thread ...
View full detailsZWO M54 Extension - 16.5mm
Optical Length: 16.5mm Connection Side 1: M54x0.75 Male Thread Connection Side 2: M54x0.75 Female Thread Material: Anodized Aluminum Descriptio...
View full detailsZWO M54 Extension - 21mm
Adds precisely 21mm of optical path length M54x0.75 male and female threads for secure connections Prevents vignetting with full-frame sensors Mac...
View full detailsZWO M54 Male to M42 Female Adapter
Thread Compatibility Durable Construction Precision Engineering Lightweight Des...
View full detailsZWO M54(M)-M48(F) Adapter - 21mm
Adds exactly 21mm of optical path length Connects M54 male threads to M48 female threads Standard 2-inch filter threading on the M48 side Black an...
View full detailsZWO M54-M48 Adapter
Connects M54 female threads to M48 male threads Zero-profile design preserves critical back focus Converts larger M54 ports to the common M48 stan...
View full detailsZWO M68 Sensor Tilt Plate
Corrects sensor tilt for sharp, round stars across the entire frame Adds a minimal 5 mm of optical path length to the imaging train Connects M68 (...
View full detailsZWO Nikon Lens Adapter for EFW
Connects Nikon F-mount lenses to ZWO Electronic Filter Wheels Engineered for cameras with 6.5mm back focus Provides 20 mm of spacing Standard M42x...
View full detailsZWO Nikon-T2 Adapter
Attaches Nikon F-mount lenses to ZWO cameras Standard M42x0.75 T-thread camera interface 29mm main body length for 17.5mm back-focus cameras Inclu...
View full details