Products

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...

New 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...

Easily switch 2" mounted filters Eliminates light leaks Compatible with most 2" mounted filters Optical length of 21mm Description Specificatio...

Easily switch 2" mounted filters Eliminates light leaks Compatible with most 2" mounted filters Optical length of 20mm Description Specificatio...

The spare filter holder for EOS filter drawer and Nikon filter drawer.It can carry all 2”mounted filters of ZWO, including the narrowband filter, d...

Additionnal 2" filter holder for your ZWO M54 filter drawer.

Additionnal 2" filter holder for your ZWO M42 V2 filter drawer. It is not compatible with older filter drawers.

ZWO filter masks are used for ZWO filter wheels.Please use the M2 screws and masks to fix the filters:⚫ Remove the screws securing the back cover a...

Finder shoe for mini guide scope.

Specifications

ZWO 1.25″ IR 850nm Pass Filter suitable for IR sensitive cameras. You don’t need to debayer and get the full resolution of this sensor when use it ...

UV IR-CUT Protective WindowZWO D21 UV IR-CUT protect windowTechnical Parameter:Diameter: 21mmType: UV IR-cut windowThickness: 1.1mmFlatness: 1/4 λM...

The new ZWO LRGB Filters are designed to approximately equalize the flux of ASI1600 mono sensorBetter transmission, Better coating, Better color...

M42 adapter for main imaging camera Specifications

Telescope side: M42x0.75 internal thread Camera side: M42x0.75 external thread Diameter: 2" (50.8mm) Optical Length: 21mm Description Specific...

M42-M48 extender : 16.5mmIt can help you to get 55mm back focus distance. Specifications

Telescope side: M48x0.75 internal thread Camera side: M42x0.75 external thread Diameter: 2" (50.8mm) Optical Length: 22.5mm Description Specif...

Telescope side: M48x0.75 internal thread Camera side: M48x0.75 external thread Diameter: 2" (50.8mm) Optical Length: 16.5mm Description Specif...

M48-M42 Adapter is available now! Specifications

The ZWO M54 adapter is an adapter designed specifically for ASI cooled cameras. Instead of using the 20mm ZWO EFW, you can directly connect the ada...

ZWO M54 Male to M42 Female Adapter

M54(male)-M48(female) extender : 21mmIt can help you to get 55mm back focus distance. Specifications

M68 sensor tilt plate (5mm) is independently developed by ZWO and specially made to match with the full-frame cooled camera ZWO ASI6200MM/MC Pro.Yo...

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