Spacer Rings, Extensions & Adapters

Baader Adjustable pin type face wrench ø 2mm Optional tool for unmounting the M48 / T-2 insert-ring from the Baader Protective CANON T-Ring Also f...

Baader M48 Metal Dustcap with M48 inner thread Dustcap with M48 female (inner) thread Robust cap made of black anodized metal Dustproof closure for...

Baader M48 Metal Dustcap with M48 outer thread Dustcap with M48 male (outer) thread Robust cap made of black anodized metal Dustproof closure for y...

Baader M48 Metal Dustcap with Dovetail  M48 dustcap with dovetail Robust cap made of black anodized metal Dustproof closure for the Baader Heavy Du...

Baader Metal Dustcap with M54 internal thread Dustcap with M54 female thread Robust cap made of black anodized metal Dustproof closure for your ac...

Baader Metal Dustcap with M54 external thread Dustcap with M54 male thread Robust cap made of black anodized metal Dustproof closure for your acces...

Baader M54 Metal Dustcap with S54a dovetail (M54-DOVE) M54 dustcap with S54a ring dovetail Robust cap made of black anodized metal Dustproof closu...

Baader M54 Extension Tubes (M54/5) Used to adjust the working distance of larger cameras and similar accessories with M54 thread Telescope side M5...

Baader Adapter M54 external to M48 internal (M54E/M48F) Reducing Adapter M54 to M48 with M54 male thread Changes the M54 female thread of an adapt...

Baader 2" Nosepiece to M54 external with Safety-Kerf Nosepiece 2" to M54a, ultra-hard with Safety-Kerfs Focus-sided M54 male thread Telescope-side...

Coronado Adapter Ring for 90mm Double Stack Filter Required to double stack an SME90 external primary Etalon, double stacking an original 90mm Coro...

Coronado Adapter Ring for 60mm Double Stack Filter Required to double stack an SME60 external primary Etalon, double stacking an original 60mm Coro...

Coronado Adapter Ring for 40mm Double Stack Filter Required to double stack an SME40 external primary Etalon, double stacking an original 40mm Coro...

Super high precision COPPER T-mount for Nikon full frame  T-mount for Nikon full-frame camera copper version. Made from high quality copper materia...

PrimaLuceLab M48 Female to T2 Male Adapter M48 female to T2 male adapter allows you to connect accessories with M48 thread (48x0.75 male) to those ...

PrimaLuceLab 9mm M48 Extension PrimaLuceLab M48 extensions are available in different lengths and they present on both sides of a M48 thread (...

PrimaLuceLab M48 Male to T2 Female Adapter The M48 male to T2 female adapter allows you to connect accessories with M48 thread (48x0.75 female) to ...

Orion Variable 12-17mm T-thread Spacer Ring  In the Box Orion Variable 12-17mm T-thread Spacer Ring Manuals & Warranty Orion 1-year warranty ...

Baader Hyperion DT-Ring SP54/M52 Adapts camera lenses onto Hyperion and Morpheus Eyepieces, as well as DT Adapter II & III, for afocal eyepiec...

Baader Hyperion DT-Ring SP54/M58 Adapts camera lenses onto Hyperion and Morpheus Eyepieces, as well as DT Adapter II & III, for afocal eyepiec...

Lunt Clamshell Mounting Ring for LS60THa or LS80THa The black-anodized heavy-duty Lunt Clamshell Mounting Ring for LS60THa or LS80THa mounting ring...

PlaneWave 2″-24 TPI Male to SecureFit This 0.25″ long adapter presents 2″-24 TPI male thread on the camera facing side and PlaneWave SecureFit bolt...

PlaneWave SBIG STL to SecureFit - CCD Adapter, SBIG STL to PlaneWave SecureFit An adapter that is used in conjunction with Secure Fit CCD Spacer to...

PlaneWave SecureFit to M42 Male T-Thread CCD Adapter, Male T-Thread to PlaneWave SecureFit: An adapter that is used in conjunction with SecureFit C...

PlaneWave Apogee to SecureFit CCD Adapter, Apogee to PlaneWave SecureFit: An adapter that is used in conjunction with Secure Fit CCD Spacer to atta...

PlaneWave CDK20 To AP Female This adapter mounts in place of a focuser on CDK14/17/20 & 24 models and has the standard AP female threads. In t...

PlaneWave CDK17/20 to Clement Focuser This adapter attaches to the back of the CDK17 or CDK20 using the same retaining ring that holds the PlaneWav...

PlaneWave SecureFit to M68 x 1 This adapter presents M68 x 1 male threads on the camera side and presents SecureFit on the telescope side. Bac...

PlaneWave SecureFit to M62 x 0.75 This adapter presents M62 x 0.75 male threads on the camera side and presents SecureFit on the telescope sid...

PlaneWave SecureFit to M54 x 0.75 This adapter presents M54 x 0.75 male threads on the camera side and presents SecureFit on the telescope sid...

PlaneWave SecureFit to M48 x 0.75 This adapter presents M48 x 0.75 male threads on the camera side and presents SecureFit on the telescope side. B...

PlaneWave SecureFit Low Profile Spacer The 600327/600328 are stacked together and occupy a total 0.50 inch of backfocus. Each sold separately. ...

PlaneWave 3.5″ Hedrick Focuser to 2.7″ AP Threads (only for CDK17 and CDK20) This adapter bolts onto the back of the Hedrick 3.5″ Focuser and provi...

PlaneWave 2.75″ Hedrick Focuser to 2.7″ AP Threads Adapter, 2.75″ Hedrick Focuser to 2.7″ AP Threads (only for CDK12.5): This adapter bolts onto th...