T-Rings, Spacers & Thread Adapters

Connects M68x1 threaded accessories to the ESATTO 4" focuser Features an independent stop ring for precise rotational framing Threads directly ont...

Converts ESATTO 4" M110x1 Male Thread to a Takahashi-standard M92x1 Female Thread Enables Direct Connection of Takahashi Photographic Adapters, Re...

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...

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.

Connects Canon EF-mount cameras to standard T-threads Standardized Female T-Thread (M42x0.75) Enables Prime Focus Astrophotography Single-Piece, S...

Connects Nikon F-Mount DSLR Cameras Standard M42x0.75 Female T-Threads Enables Prime-Focus Astrophotography Secure Bayonet Connection Descripti...

Enables high-magnification eyepiece projection photography Accepts standard 1.25" eyepieces with up to a 38mm outer diameter Includes two 40mm T-2...

Connects the Baader MPCC Mark III to the Baader Protective EOS T-Ring Establishes the critical 55mm back focus distance for coma correction Featur...

Adapts native Takahashi M72 threads to the Baader M68 system Enables creation of an ultra-short 2" eyepiece holder on Takahashi refractors Provide...

Adapts M71 Female Thread to M72 Female Thread Designed for Takahashi Mewlon Reflectors Enables Secure, Flexure-Free Accessory Attachment Integral ...

Adapts the Takahashi Sky90's M64x0.75 male thread Provides a robust M68x1 female thread for accessories Enables secure, direct-thread connection f...

Adds a precise 2mm of optical path length Enables full 360° rotational adjustment for cameras and accessories Locks components securely at any ori...

10mm Fixed Extension Length T-2 Female to T-2 Female Threads Part of the Baader T-2 Astro System Joins Two Male T-2 Threaded Accessories Precision...

Provides a variable extension range of 12mm to 16mm Features a locking ring to prevent unwanted rotation Standard T-2 (M42x0.75) threads for unive...

Connects T-2 (M42x0.75) male threaded accessories to 2" SCT female threads Zero optical length design preserves critical back focus spacing Ideal ...