T-Rings, Spacers & Thread Adapters

Fits 2" thread 12mm back focal distance For AG and ODK telescopes Individually machined to order in the UK Description Specifications In the Bo...

Fits M54 x 0.75 thread 12mm back focal distance For AG and ODK telescopes Individually machined to order in the UK Description Specifications I...

Fits AO8, 15mm back focal distance For AG and ODK telescopes Individually machined to order in the UK Description Specifications In the Box War...

85mm fixed ring 50mm back focal distance For AG and ODK telescopes Individually machined to order in the UK Description Specifications In the B...

85mm Diameter Adaptor Ring Provides 5mm of Back Focus Distance (BFD) Fixed, Non-Adjustable Spacer Design Ensures Rigid, Tilt-Free Connections Manu...

85mm down to M42mm thread AO7, ATIK383L 15mm back focal distance For AG and ODK telescopes Individually machined to order in the UK Description...

85mm fixed ring 40mm back focal distance For AG and ODK telescopes Individually machined to order in the UK Description Specifications In the B...

Provides a fixed 30mm back focus distance Designed for 85mm threaded interfaces Solid, single-piece construction for maximum rigidity Machined in ...

Connects to 85mm threaded correctors and accessories Provides a fixed 25mm of back focus distance (BFD) Engineered for Orion Optics UK imaging sys...

Connects to 85mm threaded correctors and focusers Provides a fixed 20mm back focus distance (BFD) Ensures rigid, non-flexing camera connection Des...

Fits AP2.7" female thread 12mm back focal distance For AG and ODK telescopes Individually machined to order in the UK Description Specification...

85mm Connection Diameter Provides 15mm of Fixed Back Focus CNC-Machined for Rigidity Designed for Orion Optics UK Imaging Trains Description FA...

Designed for 85mm optical trains Provides a fixed 10mm of back focus distance (BFD) Ensures rigid, non-flexing spacing for astrophotography Machin...

Machined to fit 2.7" 24 TPI Astro Physics 5mm back focal distance For the FLI Atlas focuser system Individually machined to order in the UK Des...

Two-part mounting adaptor M48x0.75 thread 37mm and 17mm BFD stages Individually machined to order in the UK Description Specifications In the B...

Designed for Orion Optics UK AG Wynne Correctors Sets a Nominal 25mm Back Focus Distance Provides ±4mm of Fine Adjustment (21mm to 29mm Range) Con...

Machined to fit M42x0.75 T thread 61mm back focal distance Mounting adaptor only, no lens Individually machined to order in the UK Description ...

Machined to fit M42x0.75 T thread 18mm back focal distance Mounting adaptor only, no lens Individually machined to order in the UK Description ...

Machined to fit QSIwsg 25mm back focal distance Mounting adaptor only, no lens Individually machined to order in the UK Description Specificati...

Machined to fit QSIwsg M42x0.75 T thread 29mm back focal distance Mounting adaptor only, no lens Individually machined to order in the UK Descr...

Machined to fit QSI M42x0.75 T thread 64mm back focal distance Mounting adaptor only, no lens Individually machined to order in the UK Descript...

Machined to fit QSI M42x0.75 T thread 50mm back focal distance Mounting adaptor only, no lens Individually machined to order in the UK Descript...

Machined to fit M42x0.75 T thread 39mm back focal distance Mounting adaptor only, no lens Individually machined to order in the UK Description ...

Machined to fit M42x0.75 T thread 24mm back focal distance Mounting adaptor only, no lens Individually machined to order in the UK Description ...