T-Rings, Spacers & Thread Adapters

Connects M54 threaded cameras to the Baader UFC Base Provides a male (external) M54 thread Part of the modular Universal Filter Changer (UFC) syst...

Connects Baader UFC Base to a Camera Camera-Side Thread: Male M48 x 0.75 Provides a Wide, Non-Vignetting Aperture Designed for the Modular UFC Sys...

Adapts the Baader S52 dovetail interface to a standard M48 male thread (2" filter thread) Designed specifically for Baader Protective and standard...

Connects Nikon F-mount cameras to telescopes Features both a standard T-2 (M42) thread and a larger S52 dovetail Wider S52 aperture significantly ...

Connects Micro Four Thirds (4/3) cameras to any T-2 threaded accessory Includes a 19mm T-2 extension tube for precise back focus spacing Enables s...

Ultra-Short Optical Path to Maximize Back Focus Connects Canon EOS Cameras to T-2 (M42x0.75) Threads Enables Focus with Reducers, Correctors, and ...

Connects Digital Cameras to Baader Hyperion Eyepieces Engineered for the Shortest Possible Optical Path Minimizes Vignetting for Brighter, Fuller ...

Connects M52 camera threads to SP54 eyepiece threads Engineered for minimum optical distance Provides a secure, rigid connection for afocal photog...

Connects eyepieces to Celestron/Meade f/6.3 Focal Reducers Enables wide-field visual observation with SCTs Precision-machined for a secure, non-fl...

Dedicated Compatibility: Connects the Explore Scientific 3" 0.7x Reducer/Corrector (FFFR507X-00) to any telescope using the 2.5" Hex Focuser. Im...

Adapts the 3" 0.7x Reducer (FFFR507X-00) to fit 2" focusers Enables use of premium optics on a wider range of telescopes Secure, precision-machine...

Adds Critical Outward Focuser Travel 2-inch Barrel Diameter Designed for Explore Scientific ED APO Telescopes Compatible with 2-inch Rack and Pini...

Connects Nikon DSLR cameras to Sky-Watcher telescopes M48 thread size for wider illumination Designed for 0.85x Focal Reducer/Correctors Optimized...

Connects select QHY cameras to M48 threaded accessories Achieves the industry-standard 55mm back focus distance Compatible with QHY533C, QHY294C, ...

Converts a QHYCCD dovetail to an M54 thread Adds precisely 6mm of optical path length Enables connection to M54 spacers, adapters, and accessories...

Connects Canon EF and Nikon F mount DSLR lenses to astronomy cameras Features both M42 (T-thread) and M54 female threads for camera-side connectio...

Adds exactly 5mm of optical path length Connects M54 threaded components Male and female M54x0.75 threads Essential for select QHY268M & QHY60...

Connects QHY600M SBFL Camera to QHYCFW3XL Filter Wheel Resolves Mismatched Mounting Diameters Provides a Rigid, Stable Imaging Train Connection En...

Fits T mount 0.75 21mm back focal distance For AG and ODK telescopes Individually machined to order in the UK Description Specifications In the...

Fits T mount 0.75 12mm back focal distance For AG and ODK telescopes Individually machined to order in the UK Description Specifications In the...

Fits STL 20mm back focal distance For AG and ODK telescopes Individually machined to order in the UK Description Specifications In the Box Warr...

Fits FLI 3" thread 12mm BF Custom fit For AG and ODK telescopes Individually machined to order in the UK Description Specifications In the Box ...

Fits M92 thread 12mm back focal distance For AG and ODK telescopes Individually machined to order in the UK Description Specifications In the B...