Spacer Rings, Extensions & Adapters

Astronomy Plus M54 T Adapter for LARGE SCT EDGE HD (9.25/11/14)   This T-Adapter is designed to connect your Celestron C925HD, C11HD, or C14HD Edge...

ZWO M54M - M54F 7.5mm Adapter This adapter allows conversion from male M54 to female M54 with 7.5mm spacing. Technical Specifications M54 Male Thr...

Baader Flat Base Plate for BDS-NT Diamond Steeltrack Enables mounting of the Baader NT Diamond Steeltrack onto Dobsonians with flat mounting surfac...

Astronomy Plus SCT Female to T2 Adapter  SCT Female ring to T2 (M42M) metallic adapter. Adds 55 mm of back spacing Technical Specifications Conn...

Astronomy Plus SCT Female to M42M Adapter SCT Female to M42M metallic adapter. Adds 2 mm of back spacing Technical Specifications Connection Sid...

Astronomy Plus M42F to M54M Adapter M42F to M54M metallic adapter. Adds 0 mm of back Focus Technical Specifications Connection Side A M42 x 0.75...

Astronomy Plus M54F to M48F Adapter  M54F to M48F metallic adapter. Adds 0 mm of back Focus Technical Specifications Connection Side A M54 x 0.7...

Astronomy Plus M54M to M42F Adapter M54M to M42F metallic adapter. Adds 0 mm of back Focus Technical Specifications Connection Side A M54 x 0.75...

Astronomy Plus M54M to M48F Adapter M54M to M48F metallic adapter. Adds 2 mm of back Focus Technical Specifications Connection Side A M54 x 0.75...

Astronomy Plus M42M to M48F Adapter M42M to M48F metallic adapter. Adds 1mm of back Focus Technical Specifications Connection Side A M42 x 0.75 ...

Astronomy Plus SCT Male to M42M Adapter SCT Male to M42M Adapter Metallic adapter. Adds 2mm of back Focus Technical Specifications Side A : SCT Ma...

PrimaluceLab Adapter ESATTO 3" for ARCO 3" Adapter ESATTO 3" for ARCO 3" allows you to connect the rotator to ESATTO 3" microfocuser and control it...

ADM D Series Male to Male Adapter. 12″ Long Male to male dovetail plate. For use of secondary equipment on equatorial mount and DSBS. 12″ Long, 4″ ...

Explore Scientific iEXOS-100 Azimuth Adjuster Adapter The Azimuth Adjuster Adapter is designed for use on the Twilight Medium Duty or Twilight Heav...

Astronomy Plus M48M to M48M Adapter M48M to M48M Metallic adapter. Adds 2mm of back Focus Technical Specifications Side A : M48 x 0.75 Male Side B...

Takahashi 2" Visual Adapter FS-78 2 Inch Visual Adapter Female M56 to Female 50.8mm Sleeve Metal Back = 39.5mm  Technical Specifications Female ...

Askar Heightening Modules for SQA OTA's Optional SQA series heightening section, can be used with most SQA series OTAs. The all-metallic heighteni...

Baader Hyperion / Morpheus® M43 extension   M43/M43 extension (distance ring), suitable for Morpheus, Hyperion and other eyepieces/adapters with M...

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

Pegasus Astro M68 Male to M54 Female Adapter (Backfocus) Thickness: 1.4 mm M68 Thread: Pitch 1.0mm / 4mm length M54 Thread Pitch 0.75mm Technical...

Pegasus Astro M68 Male to M42 Male Adapter (Backfocus) Thickness: 1.4 mm M68 Thread: Pitch 1.0mm / 4mm length M42 Thread Pitch 0.75mm / 4mm length...

QHYCCD Canon Lens Adapter M42 10mm M42 Canon Lens Adapter for QHYCCD Cooled CMOS (COLDMOS) imaging cameras.. Technical Specifications  ...

Baader 2mm UFC T-2 Extension Camera-Adapter  Baader UFC T-2-Thread Adapter telescope-side: with mounting plate for UFC-Base (screws included) c...

Baader UFC 2" (M48) Filter Slider Baader UFC 2" Filter Slider / Filter Container M48 suitable for cell mounted 2" (M48) filters slides into the UF...

Baader 13mm UFC Base (Filter Chamber) S70 dovetail receptor Baader UFC Base (Filter Chamber) for 2" / 50.4 / 50x50 filter sliders Telescope-side:...

Baader UFC S70 VariLock 15-20mm extension Baader UFC S70/5 VariLock Extension 15-20mm Continuosly (stepless) adjustable UFC extension with millime...

Baader UFC S70 Extension 5mm Baader UFC S70/5 Extension 5mm Telescope-side: with S70 dovetail clamp (screws included) Camera-side: with S70 doveta...

Baader UFC S70/15 Extension 15mm  Baader UFC S70/5 Extension 15mm Telescope-side: with S70 dovetail clamp (screws included) Camera-side: with S70 ...

Baader 3mm UFC S70 11" RASA Telescope-Adapter Baader UFC S70 / 11" RASA Adapter Telescope-side: RASA 11"-plate Camera-side: S70 dovetail Can be a...

PrimaLuceLab Guide Scope Support for ECCO ECCO is completely metal built and, for this reason, it can also be used as a finder support by adding th...

Artesky Twist Lock 2" Eyepiece Holder for Newton Skywatcher Artesky is pleased to present the 2" (50.8mm) Twist Lock eyepiece holder for Skywatcher...

PrimaluceLab 2" Visual Back for ESATTO 2" LP If you want to connect a camera with a 2" nosepiece to your ESATTO 2” LP, just connect the 2" visual ...

QHYCCD Sky Watcher and Orion Polemaster Adapter The PoleMaster™ is a high precision and simple to utilize electronic polarscope. The PoleMaster is ...