Adapters, Spacer Rings & Extensions

Takahashi 50.8mm Sleeve for wide T Mount  Conversion ring for mounting Takahashi wide T-rings on a 2.0" eyepiece holder This conversion ring allows...

Takahashi Camera adapter TCA-4  A Takahashi adapter dedicated to eyepiece projection astrophotography The TCA-4 is a very specialised photo adapter...

PlaneWave 2″ Drawtube Spacer (for 2″ visual and imaging accessories) A CCD Spacer that accepts a standard 2″ barrel. These come in lengths of 3.8″,...

PlaneWave Visual Adapter CDK20/24 Visual Adapter, 3.5″ to 2″ (for CDK20/24): This adapter slides into the optional 3.5″ Hedrick Focuser. The adapte...

PlaneWave Visual Adapter CDK17 This adapter slides into the Hedrick Focuser. The adapter steps the 3″ opening down to 2″ for standard 2″ accessorie...

PlaneWave Visual Adapter CDK12.5 Visual Adapter, 2.75 – 2″ – This adapter slides into the Hedrick Focuser that comes standard on the CDK12.5. The a...

PlaneWave IRF90 Visual Adapter 2″ The IRF90 to 2″ Visual Accessory Adapter allows you to attach a 2″ mirror diagonal and eyepiece to your IRF90 rot...

PlaneWave Visual Adapter CDK 14 This adapter slides into the Hedrick Focuser. The adapter steps the 3″ opening down to 2″ for standard 2″ accessori...

 Shelyak Alpy SBIG ST camera adapter Special mechanical adapter to mount an Alpy spectroscope on a ST7, ST8, ST10 or ST2000 camera. The mechanica...

Shelyak Alpy C-Mount Adapter To use the Alpy 600 spectroscope with a C-mount camera. The Alpy 600 is delivered as standard with a T-mount for the a...

Shelyak Alpy FC Connector Optical fiber connector (FC standard) for Alpy spectroscope. It does replace the standard slit of the Alpy 600. In ...

Pegasus Astro  M68 Male to M65 Male (For SW Esprit 100) Thread: Pitch M68/1.0mm, M65/1.0mm This adapter is suitable to connect the SW Esprit 10...

Pegasus Astro Adapter M66 Female to M54 Male. (For SW Esprit 100)  Thread: Pitch M66/1.0mm, M54/0.75mm Connects SW Esprit 100 Flatenner with any M...

Pegasus Astro M65 Male to M54 Male (For SW Esprit 100)  Takes up 2.0mm of backfocus Thread: Pitch M65/1.0mm, M54/0.75mm For SW ESPRIT 100: Connect...

Innovations Foresight SBIG AO-8 adapter plate for ONAG SC This plate allows a SBIG adaptive optics AO-8 unit to be mounted in the front (scope port...

Innovations Foresight ONAG 59mm dovetail system spacer 16mm Use this spacer to insure both imaging and guider cameras are parfocal (both cameras ar...

Innovations Foresight T2 M42 x 0.75mm spacer 16mm Use this spacer to insure both imaging and guider cameras are parfocal (both cameras are in focus...

Innovations Foresight T2 male 2″ nosepiece Use this adapter to attach an ONAG SC unit to a 2″ focuser drawtube, or equivalent equipment. Can be use...

Innovations Foresight T2 M42 x 0.75mm spacer 8mm long Use this spacer to insure both imaging and guider cameras are parfocal (both cameras are in f...

Innovations Foresight T2 M42 x 0.75mm locking ring One T2 M42 x 0.75mm (T thread) locking ring. Can be used at the ONAG SC scope port (SP), imager ...

Innovations Foresight ONAG 59mm dovetail system to male 2″ adapter Use this adapter to attach a 2″ nosepiece to an ONAG XT unit. Can be used at the...

Innovations Foresight ONAG 59mm dovetail system spacer 24mm Use this spacer to insure both imaging and guider cameras are parfocal (both cameras ar...

Innovations Foresight ONAG 59mm dovetail system 2″ nosepiece Use this adapter to attach an ONAG XT unit to a 2″ focuser drawtube or equivalent. Can...

Innovations Foresight ONAG 59mm dovetail system to female SCT adapter Use this adapter to attach an ONAG XT unit to a male 2″ 24 tpi SCT thread. Ca...

Astroasis Oasis Focuser Adapter for RedCat 51 With this adapter Oasis Focuser can be installed on William Optics RedCat 51 APO. This focusing solut...

Innovations Foresight C mount male to T2 M42 x 0.75mm female adapter Use this adapter to attach a guiding camera with a C mount, such as a SX lodes...

Innovations Foresight Low profile male T2 to female SCT adapter Low profile male T2 (M42 x 0.75mm) to female SCT adapter. Use this adapter to atta...

Kowa TSN-CM2-SE T2 Adapter for Sony SE-mount Ultra telephoto photography is easily achieved with your telescope by purchasing Kowa T-mount adapter ...

Kowa TSN-CM2-M4/3 T2 Adapter for M4/3 Mount Ultra telephoto photography is easily achieved with your telescope by purchasing Kowa T-mount adapter f...

Kowa TSN-CM2-N T2 Adapter for Nikon F mount Ultra telephoto photography is easily achieved with your telescope by purchasing Kowa T-mount adapter f...

Kowa TSN-CM2-CE T2 Adapter for Canon EF Mount Ultra telephoto photography is easily achieved with your telescope by purchasing Kowa T-mount adapter...

Kowa TSN-CM2-K T2 Adapter for Pentax K Mount Ultra telephoto photography is easily achieved with your telescope by purchasing Kowa T-mount adapter ...

Askar M42-M48 Photo Adapter for FMA180 The Askar M42-M48 Photo Adapter for FMA180 allows you to achieve an optimal seal on the back of the Aska...

Kowa Digiscoping Adapter for TSN-880/770 The Kowa TSN-DA10 is perfectly suited to the compact and lightweight Micro Four Thirds camera or mirroless...

Kowa TSN-PA7 Digiscoping Adapter for TSN-99/88/880/770 Compatible with Full frame, APS-C, mirrorless, compact system and MFT camera bodies. The Ko...