zwo

8x positions Compatible with 1.25" and 31mm filters Anti Light Leak Design Mod...

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...

Shortens the Focal Ratio of the FF65APO Focal Ratio from f/6.4 to f/4.8 Reduces the Focal Length to 312mm Reduction Factor of 0.75x Standard 55mm ...

Shortens the Focal Ratio of the FF80APO Focal Ratio from f/7.5 to f/5.7 Reduces the Focal Length ...

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...

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...