Adapters, Spacer Rings & Extensions

William Optics Longer Adjusting Adapter for FLAT68III, FLAT7A This adjustable adapter offers a convenient, efficient way to upgrade your WO diagona...

ZWO T2 to M43 adapter T2 to M43 adapter, suitable for ASI1600 ASI294 ASI183 ASI174 series and ASI533MC-P cameras.       Connection Guide: F...

Tele Vue 3.5" Extension Tube The Tele Vue 3.5″ Extension Tube helps your telescope reach focus when not using a diagonal — as is the case in many i...

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...

Pegasus Astro Prodigy Microfocuser Telescope Adapters Adapter for SCT 2" SCT 2-inchCan be used with SCT 2”telescopes (for 2” male thread telescop...

PrimaluceLab 2" Visual Back for ESATTO 2" If you want to use your telescope visually with ESATTO 2" or if you want to connect a camera with a 2" no...

Celestron Universal 1.25" T-Adapter The Celestron Universal T-Adapter connects a DSLR or SLR camera body to a telescope with a 1.25” focuser or eye...

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...

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 T-2 / 7.5 mm Extension Tube (T-2 part #25C) 7.5mm optical path length Telescope side T-2 internal thread Focus side T-2 external thread For...

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

Astronomy Plus C Male to M48 Female Adapter C Male to M48 Female metallic adapter.  Technical Specifications Connection Side A C Male Connecti...

Pegasus Astro Indigo Filter Wheel Adapter M54-F The Pegasus Astro Indigo Filter Wheel Adapter M54 Female is a precision-engineered accessory design...

PlaneWave SecureFit Spacers For CDK 14,17,20, & 24 When you need a secure way to attach a CCD camera at the image plane of a CDK telescope, the...

Baader M48 Extension Tube  Used to adjust the working distance of larger cameras and similar accessories with M48 thread Telescope side M48 intern...

Astronomy Plus M42M - M48M Adapter  M42 Male to M48 Male metallic adapter. Adds 2mm of back Focus Technical Specifications Connection Side A M42...

Pegasus Astro M68 Male to M63 Male Adapter (Backfocus) Thickness: 1.4 mm Thread: Pitch 1.0mm / 4 mm length For Ricardi M63 Reducer & WO Reduce...

Baader M54 x 0.75 Inverter Ring - M54M to M54F Inverter ring with continuous M54 x 0,75 male thread Converts an M54 x 0.75 female thread into an...

Astronomy Plus 1.25'' M42 Variable Extension Tube Elevate your astronomy game with our metallic M42*0.75 variable Focal Length Extension Tube. Enha...

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...

Pegasus Adapter 3.29 inches (For SCTs C11, C14) Female to M68M Adapter 3.29 inches (For SCTs C11, C14) Female to M68M  Technical Specifications ...

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 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 M48F to M48F 6mm Adapter M48F to M48F metallic adapter. Adds 6 mm of back Focus Technical Specifications Connection Side A M48 x ...

Astronomy Plus SCT Male to M48M Adapter SCT Male to M48M metallic adapter. Adds 2mm of back Focus Technical Specifications Connection Side A SCT...

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...

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

Baader Hyperion Finetuning-Ring M48, 14 mm With the addition of Baader's new Finetuning Rings, each Hyperion eyepiece can now function as four eyep...

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...

Astronomy Plus M65*1 Metal Extension Tube Elevate your astronomy game with our Astronomy Plus M65x1 Metal Focal Length Extension Tube (TA458). Need...

Astronomy Plus M72x0.75 Metal Extension Tube Elevate your astronomy game with our Astronomy Plus M72*0.75 Metal Focal Length Extension Tube (TA456)...

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...

Pegasus Astro M68 Male to M48 Female Adapter Adapter (Backfocus) Thickness: 1.4 mm M68 Thread: Pitch 1.0mm / 4mm length M48 Thread Pitch 0.75mm T...