Adapters, Spacer Rings & Extensions

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:...

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...

Kowa 42mm Digiscoping Adapter Ring For use with Kowa TSN-DA10 and TSN-DA20 digiscoping adapters. Adapter ring to combine the TSN-DA10 or DA20 di...

Kowa Digiscoping Adapter Compatiable current Kowa System S eyepieces:TSE-Z9B (20-60x zoom)TE-14WD (30x wide zoom)TSN-550 compact spotting scope THe...

Kowa TSN-AS1.25K Astro adapter for TSN-99/88/880/770 series TSN-AS1.25K (Knurled screw fitting) With the use of KOWA-SYSTEM Astronomy adapters, a ...

TSN-AS1.25G (Grub screw fitting) With the use of KOWA-SYSTEM Astronomy adapters, a Kowa PROMINAR TSN-99/88/880/770 spotting scope can accept stand...

Kowa TSN-EC3 eyepiece conversion ring Required when using a TSN-82SV/TSN-660M/600 series eyepiece with a TSN-880/770 series. When other model eyepi...

Kowa TSN-EC2 eyepiece conversion ring Required when using a previous model TSN-820/820M series eyepiece with a TSN-880/770 series. When other model...

 Kowa TSN-EX16 1.6x extender for TSN-99/88/880/770 series 1.6x extender for TSN-99/88/880/770 spotting scopes compatiable with the following eyepi...

PrimaluceLab M56 15mm extension tube for ESATTO 2" The M56 15mm extension tube can be directly threaded to the ESATTO 2" draw tube and allows you t...

Optec Universal M54 Adapter for Lepus Lepus Universal M54x0.75mm Adapter, 50mm long M54-thread adapter for any camera with 55mm depth-to-sensor. De...

TEC ADC Adapter Set TEC is now offering the Baader 2″/T-2 Nosepiece and the Blue Fireball 2″ /T-2 Adapters for the Gutekunst Atmospheric Dispersion...

Starizona T-Adapter w/Filter Holder For EdgeHD 8" The T-adapter can work in two different length configurations, one suitable for the nominal f/10 ...

William Optics Super High Precision COPPER T-Mount for Canon EOS Full Frame T-mount for EOS DSLR camera copper version. Made from high quality copp...

Lunt 1.25" Adapter for Blocking Filters The Lunt 1.25" Adapter for Blocking Filters allows the use of a Lunt 2″ blocking filter in a 1.25″ focuser ...

Celestron 1.25" Visual Back A Visual Back is a metal adapter that screws onto the standard rear cell threads of Schmidt-Cassegrain and Maksutov-Cas...