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The ASI662MC/MM is equipped with the Sony-IMX662 rolling shutter CMOS. Boasting a 1/2.8” frame size combined with a 2.9μm pixel size, i...

Product Description The ZWO M54 adapter is an adapter designed specifically for ASI cooled cameras. Instead of using the 20mm ZWO EFW, you can dir...

M54 Sensor Tilt Plate Thickness: 5mm Suitable for APS-C and full frame cameras (ASI2600, ASI6200 and ASI2400) You can connect it to M68 OAG and 2” ...

The thickness is 7mm so you can use C or CS lens with ASI cameras depending on the required backfocus. The backfocus of a C lens is 17.5 mm and of ...

The thickness of the M42M-M48F 22.5mm extender is 22.5mm. It is an important astronomical accessory for ASI2600MM Pro users who want to connect the...

The ZWO LRGB Filters has good performance in transmission, also it has good coating,  good color separation. 1.25″ LRGB Filters Technical Parameter...

Narrowband filter does not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast ...

Replacement fan for 2600,6200,2400 cooled/pro cameras

All Pro cameras (with cooler) need to be connected to an external 11-14v power supply to image.  You can also use ASIAIR to power the cameras. Even...

ZWO Electronic Filter Wheel (2025 Edition)- 5x1.25" Refined Design with Anti Light-Leak Protection The next-generation ZWO EFW series introduces an...

The SII/OIII filter that brings Hubble Palette imaging to your color camera. The L-Synergy is Optolong's newest narrowband filter, introduced in 20...

Celestron’s iconic “orange tube” design is updated with all the latest features to provide the best stargazing experience for beginners and experi...

Description The 50mm electronic filter wheel is CNC milled from an aircraft-graded aluminum block. Quality guaranteed! Adopting the qu...

M42 Sensor tilt adapter Product: M42 sensor tilt adapter Thickness: 5mm Suitable for APS-C cameras (ASI2600) You can connect it to M68 OAG and 2”E...

Suitable for cameras which back focus distance is 12.5MM or 17.5mm This new ZWO-EOS-T2-Ⅱ adapter has two parts (EOS-T2 adapter and 5mm length T2-ex...

The T2 tilter adds multiple screw holes to help connect to ZWO EFW (compatible to 2” EFW filter wheel). Package and size Main body：Diameter 78mm，11...

ZWO’s 16.5 mm M48 spacer is a aluminum extension ring designed to reach optical spacing in imaging systems that require a precise backfocus. It fea...

This is a replacement mounting plate for the ZWO TC40 Tripod and the PE200 Pier Extension. Ideal for users with multiple mounts or those looking fo...

ZWO Electronic Filter Wheel (2025 Edition)- 7x36mm Refined Design with Anti Light-Leak Protection The next-generation ZWO EFW series introduces an ...

Honders Advanced Catadioptric optical design Radiant Aluminum Quartz (RAQ)™ mirror coatings Wide-open 250mm focal length FAST f/2 focal ratio 5-in...

  190mm working aperture, 1000mm focal length, f/5.3 focal ratio  Virtually perfect Maksutov-Newtonian optical design: no coma corrector or field ...

  Maksutov-Cassegrain optical design Primary and secondary mirrors feature proprietary Radiant Aluminum Quartz™ (RAQ™) coatings Corrector plate fe...

  Maksutov-Cassegrain optical design Primary and secondary mirrors feature proprietary Radiant™ Aluminum Quartz™ (RAQ™) coatings Corrector plate f...

Overview 205mm aperture, 800mm focal length Fast f/4 focal ratio Parabolic mirror designed for imaging with 94% reflectivity 10:1, dual-speed, 2-i...

Celestron’s iconic “orange tube” design is updated with all the latest features to provide the best stargazing experience for beginners and experi...

M68 Sensor Tilt Plate M68 sensor tilt plate (5mm) is independently developed by ZWO and specially made to match with the full-frame cooled camera Z...

ASI294MC ASI294 is the first camera in the world that equiped with SONY latest sensor IMX294CJK. Diagonal 21.63 mm (Type 4/3) Approx. 10.71M-Eff...

ASI294MM By popular demand, we now introduce the ASI294MM, the monochrome version of the ASI294MC. Some of the highlights include: Back-illumi...

The OAG-L-68 maintains the same 12*12 prism as the OAG-L; however, it is designed exclusively for the ZWO ASI461MM Pro camera and ZWO 50mm square f...

ZWO Electronic Filter Wheel (2025 Edition)- 8x1.25" Refined Design with Anti Light-Leak Protection The next-generation ZWO EFW series introduces an...

  Maksutov-Cassegrain optical design Primary and secondary mirrors feature proprietary Radiant™ Aluminum Quartz™ (RAQ™) coatings Corrector plate f...

  Maksutov-Cassegrain optical design Primary and secondary mirrors feature proprietary Radiant™ Aluminum Quartz™ (RAQ™) coatings Corrector plate f...