Adapters, Spacer Rings & Extensions

Optec DSI 3.5x24tpi male thread adapter to M54 x 0.75mm camera thread Outside Diameter:  3.82" (97.0mm) Overall Height: 0.62" (15.7mm) Clear Apert...

Starizona Hyperstar Camera Adapter Please Specify your camera model when you place your order Accurate backfocus distance necessitates an adapter t...

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...

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...

William Optics 48mm T mount for Fuji FX This high precision T-Mount has 48mm threads with outer hard black color anodizing and its made from High q...

Tele Vue Set of 6 Accessory Tubes for 2.4" The Tele Vue Set of 6 Accessory Tubes for 2.4″ is a complete set of the tubes/spacers. This allows great...

Tele Vue Imaging System Nosepiece for 2" Focuser This is a key component to the imaging system's versatility on non-"is" scopes. By placing the Tel...

Tele Vue 1.25" Questar Adapter Unleash the potential of your Questar 3.5 with Tele Vue’s 1¼”. Just add the Tele Vue 1.25″ Questar Adapter to use an...

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

PrimaluceLab  5mm M48 extension PrimaLuceLab M48 extensions are available in different lengths and they present on both sides of a M48 thread (one...

Howie Glatter Parallizer 2"-1.25" Adapter Use with Any 2.0″ openingThere is a misconception that the problem of the cylindrical slip-fit system we ...

Daystar Quark to T Adapter Daystar Quark to T Adapter Technical Specifications Connection Side A Daystar Quark Connection Side B M42x0.75 (T/T...

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

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 T-2 / 15 mm Extension Tube (T-2 part #25A) 15mm optical path length Telescope side T-2 internal thread Focus side T-2 external thread For e...

Baader Focusing Eyepiece Holder 1¼" / T-2 Eyepiece 1¼ "/ T-2 internal thread, low priced version with M 4 screw (alternatively: T-2 component # 08...

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 Twist-Lock Adapter 2" To 1.75" Extension ET1.5TL extends any 2" accessory by 1.75" with twist-lock retainer. Works with any barrel design: ...

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 M42 5mm Camera Extender Adapter T2-EXT5 extends M42 T-thread by 5mm.   In the Box Antares M42 5mm Camera Extender Adapter Warranty & ...

Baader Adapter D60 (Pentax) to 2" Nosepiece With 2" bronze pressure ring and 30.5mm length, 60mm outer diameter This reducer fits onto every 2" ba...

Wanderer Astro RASA36 Adapter for Wanderer FilterCube   If you plan to install the Wanderer FilterCube on a RASA 36, this adapter kit is mandatory....

Wanderer Astro Filter Shim for 50mm Unmounted Filters for SFW50/50S   The Filter Shim for 50 mm Unmounted Filters is designed for the SFW50 and SFW...

Wanderer Astro Takahashi FSQ106 645 0.72X Reducer Adapter  for WandererRotator Pro and Pro V2   The Wanderer Astro Takahashi FSQ106 645 0.72× Reduc...

Wanderer Astro SharpStar RC2508 Reducer Adapter Kits for WandererRotator Lite and Lite V2   The SharpStar RC2508 Reducer Adapter Kit allows the Sha...

 Baader Pentax Adapter M84/M68 To fit #2458196 Ultrashort 2" clamp onto Pentax OTA Pentax Adapter M84 / M68 Telescope side with Carl Zeiss M68 Pen...

Baader 2" NX4 (C90) / ETX Expanding Ring Converts NexStar4 straight male thread into 2" SCT male thread ETX Extension ring Incl. 1.25" "filter hol...

Baader S58/ M68a Short Adapter (for Baches and 2" Mirror-/Prism-Diagonal) The Baader S58/M68a Adapter (Short) facilitates secure connections betwee...

Baader Adapter M82/M68 Adapter M82/M68 Reducer ring for Baader 3" Hyperion Focuser Learn more about the Baader M68 Tele-Compendium Technical Spec...

Baader Adapter M68i to M75a Adapter with M68i x1 to M75a x1 male thread, to adapt M68 parts to Starlight Instruments Feathertouch 3.0" focusers wi...

Baader Adapter M54i to S52a With the S52a/M54i adapter, all Baader Wide T-rings can be adapted directly to an M54 male thread. This makes it possi...

Baader M54 Heavy Duty QuickChanging System  Heavy Duty M54 Quick Changing System enables lightning-fast changes between cameras, filter wheels or ...