ZWO

The 50mm electronic filter wheel is CNC milled from an aircraft-graded aluminum block. Quality guaranteed! Adopting the quality step motors produ...

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 a...

The smallest and most lightweight 1.25″ Electronic Filter Wheel in the world!300g ONLY ! Small than your hand !The body is CNC machined from a full...

This EOS lens adapter is specially designed to connect EOS lens with 2” EFW.The thread of the interface is M54*0.75, so it cannot be used for 1.25”...

The Short EOS adapter for EFW&Cooled camera(6.5mm backfocus version).Extend distance: 17.5mmThis new type is unadjustable. EOS-T2 support Canon...

A set of Fan for ZWO cooled/pro cameras Specifications

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...