T-Rings, Spacers & Thread Adapters

Connects M68x1 Male Threaded Accessories Attaches to M81 Female Thread on Focuser/Rotator Compatible with ESATTO 3" Focuser Compatible with ARCO 3...

Adapts M81 male threads to M72 female threads Designed for PrimaLuceLab ESATTO 3" focusers and ARCO 3" rotators Adds a minimal 4mm of total optica...

Connects M68x1 threaded accessories to M81x1 threaded focusers Designed for the PrimaLuceLab ESATTO 3" and ARCO 3" systems Adds a minimal 4mm of o...

Connects M57 accessories to M81 threads Compatible with ESATTO 3" and ARCO 3" Adds only 4mm of optical length Includes a stop ring for precise 360...

Adapts the M81 female thread of the ESATTO 3" focuser to a male M48x0.75 thread Allows direct connection of cameras, filter wheels, and off-axis g...

Adapts the M81 male thread of ESATTO 3" or ARCO 3" systems to a standard T2 (M42x0.75) female thread Enables direct connection of T2-threaded came...

Connects PrimaLuceLab ESATTO 2" Focuser to Takahashi FS-60Q Telescopes Adds Only 5mm of Optical Thickness to the Imaging Train Enables High-Precis...

Connects ESATTO 2" Focuser to Borg 55FL f/3.6 Telescope Creates a Secure, Direct-Threaded Connection Eliminates Potential for Tilt and Flexure in ...

Enables installation of the ESATTO 2" motorized focuser Designed specifically for Sky-Watcher/Orion Newton 250 f/4 and f/5 telescopes Maintains th...

Connects ESATTO 2" focusers to Sky-Watcher/Orion 200mm f/4 and f/5 Newtonians Maintains original focuser thickness to ensure prime focus is reacha...

Adapts ESATTO 2" M56 Male Thread to M57 Female Thread Connects M57x0.75 Threaded Cameras and Accessories Integrated Stop Ring for Precise Rotation...

Adds exactly 20mm of optical length M48x0.75 female (input) and male (output) threads Maintains a rigid connection in the imaging train Standard 2...

Aluma AC, STX, and STXL cameras have a standard mounting bolt pattern (four 6-32 threaded holes on a 4″ diameter). We have a variety of bolt-on ada...

Nosepieces for use with compact cameras including Aluma CCD, STF series, and STT series.

T-mount to C-mount lens adapter.

Camera Lens Adapters for STXL cameras with FW8S-STXL filter wheels.

Camera Lens Adapters for STF cameras. Also works with STT cameras. Canon and Nikon mount versions are available.

Attach a modern StarChaser SC-2 or SBIG StarChaser SC-3 off-axis guide camera to your trusty SBIG STL Research Series camera.

Adapts Daystar Quantum filters to common astronomy threads Provides female T-threads (M42x0.75) for cameras and imaging accessories Features male ...

Adapts Daystar Quantum filters to a 2" female connection Features a 3" diameter mounting plate Enables integration with 2" focusers and visual bac...

Description FAQ Specifications In the Box Downloads Warranty Daystar Quantum Front Flat T Plate The Daystar Quantum Front Flat T Plate is...

Fits standard 2-inch focusers and visual backs Provides a male T-thread (M42x0.75) output Designed for front-mounting on Daystar filter systems En...

Connects SCT-threaded components to T-threaded accessories Designed for Daystar solar filter systems Enables direct camera attachment for solar im...