Adapters, Spacer Rings & Extensions

Celestron SCT to 2" Adapter This sturdy, high-quality adapter provides a solid connection between your Schmidt-Cassegrain or Maksutov-Cassegrain te...

ZWO M54M-M54F 21mm This adapter allows conversion from female M54 to female M54 with 21mm spacing. Technical Specifications M54 M...

ZWO M54-M48 Adapter  Adapter with M54x0.75 male thread all the way on the outside and M48x0.75 female thread all the way through on the inside Zero...

ZWO T2-T2 Adapter The ZWO T2-T2 Adapter allows you to convert a M42x0.75 (T/T2) female thread to a male one. It has an optical length of 2mm.   Tec...

Celestron 2" to 1.25" Adapter with Twist-Lock The Celestron 2” to 1.25” Adapter with Twist-Lock was designed for visual observers who use both 2” a...

Antares SCT Camera Adapter M42 30mm TAS threads directly onto the back of your Schmidt-Cassegrain and outputs M42 T-thread with a 30mm extension.  ...

Antares M54-M48 Camera Adapter M54-M48 reduces female M54 to female M48 In the Box Antares M54-M48 Camera Adapter Warranty & Manuals Antares ...

Antares M42 Camera Adapter 1.25" DP1 adapts your 1.25" focuser or diagonal directly to M42 T-Thread. Threaded for filters.   In the Box Antares M42...

ZWO Silver Plate for TC40 Tripod This plate is identical to the one included with the TC40 tripod. ZWO now offers it as a separate product, allowin...

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...

ZWO Sony NEX Lens to ASI Small-Sensor Camera Adapter If you are looking to connect a Sony NEX lens to an ASI small-sensor camera, this is the ad...

ZWO M54M - M54F 16.5mm Adapter This adapter allows conversion from female M54 to female M54 with 16.5mm spacing. Technical Specifications M54 Male...

William Optics M48 Push-in Nosepiece for WO 2" Diagonals  Special Reduced Price ! Take advantage of this high quality adapter nose piece for almost...

Starizona M54 Male to M54 Male Adapter M54 male to M54 male adapter. Adds 1mm to backfocus. Useful for attaching a ZWO 6200 camera to the ZWO 2" fi...

ZWO M54 Adapter Replacing EFW The ZWO M54 adapter is an adapter designed specifically for ASI cooled cameras. Instead of using the 20mm ZWO EFW, yo...

ZWO M48-M48 16.5mm Adapter The ZWO M48-M48 16.5mm Adapter is useful to obtain a precise spacing when using a focal reducer or corrector that needs ...

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...

ZWO 1.25" T-Mount Standard ZWO 1.25" T-Mount fits on any telescope that uses a 1.25″ eyepiece focuser for prime focus photography. The T-mount is m...

Pegasus M54 Male to M48 Male Adapter Thickness: 2.0mm Thread: Pitch 0.75mm / 6 mm length M54 side has a M48 internal thread

Celestron Canon M-Mount T-Ring A T-Ring is one of the first accessories you will need to take pictures through a telescope or spotting scope. If yo...

Baader Diamond Steeltrack T-2 Adapter BDS-Adapter with T-2 outer thread to connect T-2 parts Mounted instead of the standard clamp with the S58 do...

Pegasus Astro M68 Male to M54 Male (M48 inner hole) Adapter (Backfocus) Thickness: 1.4 mm M68 Thread: Pitch 1.0mm / 4 mm length M54 Thread Pitch 0...

Baader Wide-T-Ring D52 for Canon R with S52 Adapter Baader Wide-T-Ring Canon R to connect Canon EOS R cameras on the Astro T-2 system and S52 dove...

Baader Wide-T-Ring D52i for Nikon Z, with S52 Adapter Baader Wide-T-Ring Nikon Z to connect Nikon Z cameras on the Astro T-2 system and the S52 do...

PrimaLuceLab ESATTO 2" Low Profile Adapter for Telescopes with Large 3.3" SC Thread The ESATTO 2 "LP adapter for 3.3" SC large thread telescopes al...

PrimaluceLab 2" Adapter ESATTO 2" LP for ARCO 2" Adapter ESATTO 2" LP for ARCO 2" allows you to connect the rotator to ESATTO 2" LP robotic focuser...

Buckeye Seestar S50 Filter Adapter These filter holders are meant for M48x0.75 threaded filters. However, it appears as though Baader filters will ...

Baader T-2 Fine-Adjustment rings (0,3 / 0,5 / 1 mm) - Aluminium Astro T-2 System spacer (Fine-Adjustment) rings, available in thickness 0,3mm (b...

Baader Adapter M54 internal to M48 external (M54F/M48E) Reducing Adapter M54 to M48 with M54 female thread Changes the M54 male thread of an adapt...

William Optics 2" to 1.25" RotoLock Eyepiece Adapter - Gold  The new RotoLock series of adapters from William Optics may well set the "gold' standa...

PrimaLuceLab 7mm M48 Extension PrimaLuceLab M48 extensions are available in different lengths and they present on both sides of a M48 thread (on...