ZWO

Our latest EFW (Electronic Filter Wheel), larger than the previous but still low on weight. Only 400 grams (14 oz)! The body is CNC milled from an ...

The Electronic Filter wheel can be rotated in both counter clockwise or clockwise direction for filter selection.  Fits both 1.25" mounted and 31mm...

What`s in the box? EFWmini body 1.25″ cover T2 nosepiece 1.25″ holder(with cover and 2 screws) T2-T2 adapter(male) A bag of Spacers USB2.0 2m cabl...

EOS Lens Adapter for EFW and ASI1600. This adapter allows you to connect either the ZWO electronic filter wheel or the ASI1600 series cameras direc...

Please Note: This filter drawer can ONLY be used with ZWO's Gen 1 FD-M42 filter drawer. It cannot be used with their Gen 2 FD-M42-II filter drawer...

The New filter Drawer for EOS Lens，26.5mm thickness is independently designed by ZWO and specifically made to match with ASI cooled cameras and EOS...

Filter Drawer with a thickness of 29mm that can be used for carrying 2” filter and connecting ASI cooled cameras to Nikon Lens. It is compatible wi...

The casing of the hand controller uses environment-friendly ABS material.  It has a 3.5mm female socket. You will have a very comfort grip when yo...

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...

Female M48 threads, male M42 threads, 16.5mm long.  Same as the adapter included with most ZWO cooled cameras.

This ZWO M48 Male to M48 Female Extension provides 16.5 mm of length to help you achieve the proper back focus. 

The M48-M42 adapter is used in order to fit your imaging train together with different types of equipment and sizes.

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...

The ZWO M54 adapter is an adapter designed specifically for ASI cooled cameras with tilt plates. Instead of using the 20mm ZWO EFW, you can direct...

The M54 tilter is making sensor tilt adjustment much easier than before by allowing you to do the adjustment on the rear end of the camera. You no...

M54-M48-2mm adapter is independently developed by ZWO and mainly used for connecting to 2”EFW and M54 filter drawer. 

This lightweight guide scope is compatible with all ASI cameras Specs: Lens Diameter: 30 mm Focal Length: 120 mm Weight (include guider ring and d...

The new  ZWO LRGB Filters  are designed to approximately equalize the flux of CMOS camera sensor. Better transmission, Better coating,  Better col...

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...

ZWO Holder Ring for ZWO ASI PRO COOLED CAMERAS with appr 78mm diameter. Currently compatible with the following ZWO cameras: ASI1600 Pro, ASI183 P...

D90 Holder Ring for ASI Cooled cameras Diameter: 90mm Currently compatible with ASI 2600MM/MC Pro and ASI6200MM/MC Pro cameras. To easily mount the...

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

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

ZWO Off-Axis Guider for Astrophotography 1.Lightweight, 16.5mm thickness 2. Large prism: 8x8mm 3. Connect the main imaging camera and the guide cam...