Adapters, Spacer Rings & Extensions

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...

SVBONY Photography Extension Tube for SV13 Spotting Scope 1. F9162A is a spotting scope adapter for DSLR camera, you can connect your spotting scop...

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...

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-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 ...

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 ...