Spacer Rings, Extensions & Adapters

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...

ZWO Adapter - Nikon Lens to 2" Filter Wheel This adapter from ZWO allows for Nikon lenses to be used with 2-inch filter wheels (EFW). The interface...

ZWO EOS Lens Adapter for 2“ EFW Filter Wheel If you are looking for the perfect way to connect your EOS lens to the ZWO 2" EFW, then look no furthe...

Baader M68 to T-2 Conversion Ring  This conversion ring is created by Baader for quickly switching an M68 male thread into a T-2 male thread. This...

Player One M54M-M54M 2MM Adapter M54M-M54M 2mm adapter Material：Aluminum 6061-T6 Adapter：M54*0.75  male threads on both sides Extention Length: 2mm...

Player One M54M-M48M 2MM Adapter M54M-M48M 2mm adapterMaterial：Aluminum 6061-T6Adapter: M54*0.75 male threads and M48*0.75 female threadsExtention ...

Player One M43M - M42M AdapterDesign for Filter Drawer MAX to connect Ares, Uranus cooled cameras and planetary cameras.Material：Aluminum 6061-T6Ad...

Player One M48M M42M 2mm Adapter M48M-M42M 2mm adapter Material：Aluminum 6061-T6 Adapter: M48*0.75 male threads and M42*0.75 female threads Extenti...

Player One M48M - M48M 2mm adapterM48M-M48M 2mm adapterMaterial：Aluminum 6061-T6Adapter：M48*0.75 male threads on both sidesExtention Length: 2mmTec...

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

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

Rowan Astronomy AZ100 Altitude Axis Spacer  All CNC machined aluminium and black anodised.Supplied with stainless steel hardware. The Altitude Axis...

Baader Hyperion DT-Ring SP54/M49 for DT Adapter II&III and Hyperion Eyepieces Adapts camera lenses onto Hyperion and Morpheus Eyepieces, as we...

Baader Hyperion Finetuning-Ring M48, 28 mm With the addition of Baader's new Finetuning Rings, each Hyperion eyepiece can now function as four eyep...

Baader Hyperion Zoom M43 / SP54 Adapter  Hyperion Zoom Adapter for M43 internal thread to SP54 external thread This adapter allows the connection...

Baader Hyperion T-Adapter M43i/T-2a (M42x0.75) To connect DSLR T-rings Connection to the Astro T-2 system for classical eyepiece projection For Hy...

Baader Adjustable pin type face wrench ø 2mm Optional tool for unmounting the M48 / T-2 insert-ring from the Baader Protective CANON T-Ring Also f...

Baader M48 Metal Dustcap with M48 inner thread Dustcap with M48 female (inner) thread Robust cap made of black anodized metal Dustproof closure for...

Baader M48 Metal Dustcap with M48 outer thread Dustcap with M48 male (outer) thread Robust cap made of black anodized metal Dustproof closure for y...

Baader M48 Metal Dustcap with Dovetail  M48 dustcap with dovetail Robust cap made of black anodized metal Dustproof closure for the Baader Heavy Du...

Baader Metal Dustcap with M54 internal thread Dustcap with M54 female thread Robust cap made of black anodized metal Dustproof closure for your ac...

Baader Metal Dustcap with M54 external thread Dustcap with M54 male thread Robust cap made of black anodized metal Dustproof closure for your acces...

Baader M54 Metal Dustcap with S54a dovetail (M54-DOVE) M54 dustcap with S54a ring dovetail Robust cap made of black anodized metal Dustproof closu...

Baader M54 Extension Tubes (M54/5) Used to adjust the working distance of larger cameras and similar accessories with M54 thread Telescope side M5...

Baader Adapter M54 external to M48 internal (M54E/M48F) Reducing Adapter M54 to M48 with M54 male thread Changes the M54 female thread of an adapt...

Baader M54 internal Inverter ring (converts external to internal) Changes a M54 male thread to a M54 female thread Width (optical length) = 7 mm Ma...

Baader 2" Nosepiece to M54 external with Safety-Kerf Nosepiece 2" to M54a, ultra-hard with Safety-Kerfs Focus-sided M54 male thread Telescope-side...

Coronado Adapter Ring for 90mm Double Stack Filter Required to double stack an SME90 external primary Etalon, double stacking an original 90mm Coro...

Coronado Adapter Ring for 60mm Double Stack Filter Required to double stack an SME60 external primary Etalon, double stacking an original 60mm Coro...