Adapters, Spacer Rings & Extensions

ZWO M42 11mm Ring The ZWO M42 11mm Ring is useful to obtain a precise spacing when using a focal reducer or corrector that needs a certain chip-red...

Antares 2" Adapter 1.25" Extension ET1 extends any 1.25" accessory by 2". Accepts 1.25" Filters; Side screw retainer.   1.25″x2″ extension tube wi...

ZWO 2”-1.25” Filter Adapter Ring The filter adapter ring that allows you to use the filter with a smaller filter thread size. No need for buyi...

William Optics 48mm T mount for Sony E - Black In the Box William Optics 48mm T mount for Sony E - Black Warranty & Manuals William Optic...

William Optics 48mm T mount for Nikon Z Mirrorless Camera This high precision T-Mount has 48mm threads with outer hard black color anodizing and it...

ZWO Nikon Lens Adapter for EFW The ZWO Nikon Lens Adapter for EFW is a short Nikon adapter for EFW & Cooled camera (6.5mm backfocus version). N...

Tele Vue Standard T-Ring Adapter for 2.4" The Tele Vue Standard T-Ring Adapter for 2.4" provides a standard T-ring thread to attach your camera too...

Tele Vue 2" Extension Tube The Tele Vue 2″ Extension Tube helps your telescope reach focus when not using a diagonal — as is the case in many imagi...

Sky-Watcher Nikon M48 T-Ring Designed for attaching a Nikon DSLR camera to any of the Sky-Watcher 0.85x Focal Reducer/Correctors.M48 rings are u...

PrimaluceLab T2 spacer 1mm   T2 spacers are available with 0,5mm or 1mm thickness and are used together with T2 extensions in order to fine set ext...

PrimaluceLab T2 spacer 0.5mm T2 spacers are available with 0,5mm or 1mm thickness and are used together with T2 extensions in order to fine set ex...

PrimaluceLab SESTO SENSO 33mm Adapter This 33mm adapter allows you to install SESTO SENSO 2 on focusers that come with a 33mm diameter shaft, like ...

PrimaluceLab 7mm T2 extension PrimaLuceLab T2 extensions are available in different lengths and they present on both sides of a T2 thread (one side...

Daystar Quark to C Adapter Daystar Quark to C Adapter   Technical Specifications Connection Side A Daystar Quark Connection Side B C Thread- M...

Daystar 2" Eyepiece Holder for Quark The Daystar Quark comes with a 1.25" eyepiece holder. Use your 2" accessories with the Daystar 2" Eyepiece Hol...

Baader VariLock 29, lockable T-2 ExtensionTube 20-29mm with spanner tool Lockable T-2 extension tube, adjustable 20-29 mm with clamping Telescope...

Baader Diamond Steeltrack M48 Adapter BDS-Adapter with M48 outer thread to connect M48 parts Mounted instead of the standard clamp with the S58 do...

Antares Twist-Lock Adapter 2" To 2.25" Extension ET2TL extends any 2" accessory by 2.25" with twist-lock retainer. Works with any type of barrel: s...

Antares Roof Prism Binocular Adapter For Tripod BTARP is a really strong L-Bracket to hold your roof prism binoculars to a tripod or mounting. Made...

Antares Adapter for Maksutov-Cassegrain And SCT Do you want the full repertoire of Schmidt-Cassegrain accessories for your Maksutov-Cassegrain? Jus...

Artesky Ring adapter from T2 to Nikon – Low profile T2 ring for Nikon cameras - Low Profile 1mm This product is suitable for all Nikon reflex camer...

Artesky Ring adapter from T2 to Canon – Low profile T2 ring for Canon cameras - Low Profile 1mm This product is suitable for all Canon reflex camer...

Artesky Ring adapter from T2 to Nikon High quality T2 ring that lets you adapt all Nikon cameras to the standard T-2 thread In the Box A...

Artesky Ring adapter from T2 to Canon High quality T2 ring that lets you adapt all Canon EOS cameras to the standard T-2 thread In the ...

Artesky T2 to 2" Adapter  Adapter from T2 to 50,8mm with M48 thread for 2" filters. This adapter is used to connect CCD cameras or reflex cameras (...

Artesky 2” to 1.25” Adapter Adapter from 50.8mm (2") to 31.8mm (1.25") supplied with screw It can be used to reduce the aperture of a focuser fro...

Buckeye Seestar Filter AdapterThese filter holders are meant for M48x0.75 threaded filters. However, it appears as though Baader filters will not f...

PrimaluceLab Adapter ESATTO 3.5" LP for GSO/Orion/TPO Ritchey-Chretien If you are searching for the most precise but low profile robotic focu...

PrimaluceLab Adapter ESATTO 3,5” LP for OfficinaStellare Veloce RH300 The adapter ESATTO 3,5” LP for OfficinaStellare Veloce RH300 allows you...

PrimaluceLab Adapter ESATTO 3,5” LP for large 3.3" SC thread Adapter ESATTO 3,5” LP for telescopes with large 3.3" SC thread allows you to co...

PrimaluceLab Adapter ESATTO 3,5" LP SC thread By adding this adapter, you can connect the ESATTO 3,5" LP low profile robotic focuser directly...

PrimaluceLab 3" visual back for ESATTO 3,5” LP If you want to connect a camera with a 3" nosepiece to your ESATTO 3,5” LP, just connect the 3...

PrimaluceLab Adapter ESATTO 4" for Takahashi TOA130 Adapter ESATTO 4" for Takahashi TOA130 allows you to install ESATTO 4" instead of the original ...

Baader T-2/T-2 Inverter Ring Changes a T-2 female into a T-2 male thread Optical path length is zero. Blackened internal threading for stray light...

Baader M54 Fine-Adjustment rings (0,3 / 0,5 / 1 mm) - Aluminium System M54 – spacer (Fine-Adjustment) ring 1mm thick, equals approx. 1 1/3 turn of...