Adapters, Spacer Rings & Extensions

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 M74 Female to M54 Male (For SW Esprit 100) Takes up 8.5mm of backfocus Thread: Pitch M74/1.0mm, M54/0.75mm In the Box Pegasus M74 F...

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...

Pegasus Astro Prodigy Microfocuser Telescope M68 Female Adapter Thread: M68 female In the Box Pegasus Astro Prodigy Microfocuser Telescope M68 Fema...

Starizona M48 to M54 Step Ring This adapter will step M48 threads up to M54. It has M48 female on the inside and M54 male on the outside. It does n...

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...

Astroasis Oasis Focuser Adapter for Celestron C8/925/11/14 If a normal electronic focuser without clutch function is installed on a Celestron SCT, ...

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...

QSI C-Mount Adapter Type 2 QSI C-mount adapter plate for “S” cameras with cap. Includes machined aluminum cap with O-ring to keep contaminants out ...

QSI OAG 1.25” STI Camera Adapter For mounting a Sti (28.5mm) guide camera with a back focus of 12.5mm This adapter is designed for a wide range of ...

QSI C-Mount Adapter Type 1 C-Mount Adapter plate for use with Slim body QSI 500/600 Series cameras (e.g. 620i). Includes machined aluminum cap with...

QSI OAG T-Mount Camera Adapter For mounting a T mount (42 mm) guide camera with a back focus of 12.5 mm. To help you choose the correct accessory p...

QSI 2,156″ Nosepiece 2″ nosepiece threaded for the 2.156″ adapter. 1.8″ clear aperture fully illuminates the pick-off prism on WSG models.To help y...

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 NOTE: Requires additional TSN-DA10 adapter to connect to TSN-880 and TSN-770 series spotting scopes. NOTE:...