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    ZWO EFW - 7 x 50mm Square Filter Wheel

    ZWO EFW-7x50

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

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    ZWO EFW - 8 x 1.25" or 31mm

    ZWO-EFW-8x1.25
    2 in stock

    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...

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    ZWO EFWmini - 5 x 1.25" or 31mm

    ZWO-EFW-MINI

    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...

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    ZWO EOS Lens Adapter for 2" EFW

    ZWO-EFW2-EOS
    1 in stock

    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”...

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    ZWO EOS Lens Adapter for EFW

    ZWO-EFW-EOS-II
    1 in stock

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

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    ZWO Fan for Cooled/Pro Cameras

    ZWO-FAN
    2 in stock

    A set of Fan for ZWO cooled/pro cameras Specifications

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    ZWO Filter Drawer for EOS Lens

    ZWO-FD-EOS

    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...

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    ZWO Filter Drawer for Nikon Lens

    ZWO-FD-NIKON
    3 in stock

    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...

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    ZWO Filter Drawer V2 - M42

    ZWO-FD-M42-II
    3 in stock

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

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    ZWO Filter Drawer V2 - M54

    ZWO-FD-M54-II
    2 in stock

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

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    ZWO Filter Holder - EOS/Nikon Drawer

    ZWO-F-HLDR-DSLR

    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...

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    ZWO Filter Holder - M54

    ZWO-FL-HLDR-M54

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

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    ZWO Filter Holder V2

    ZWO-F-HLDR
    2 in stock

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

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    ZWO Filter Masks

    Options available

    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...

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    ZWO Finder Shoe

    ZWO-FS-II

    Finder shoe for mini guide scope.

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    ZWO Helical Focuser - 1.25"

    ZWO-HF1-25
    1 in stock

    Specifications

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    ZWO IR 850nm Pass Filter – 1.25"

    ZWO-850IR1-25

    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 ...

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    ZWO IR-Cut Protective Window

    Options available

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

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    ZWO LRGB Optimized Filters

    Options available

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

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    ZWO M42 Adapter for OAG

    ZWO-M42-adapter
    3 in stock

    M42 adapter for main imaging camera Specifications

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    ZWO M42 Extension - 21mm

    ZWO-T2-EXT-21
    3 in stock

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

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    ZWO M42-M48 Adapter - 16.5mm

    ZWO-T2-M48-16.5
    3 in stock

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

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    ZWO M42e to M48i Extension - 22.5mm

    ZWO-M42-M48-22.5

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

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    ZWO M48 Extension - 16.5mm

    ZWO-M48-EXT16.5
    2 in stock

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

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