Filters

ZWO UV/IR Cut Filter The ZWO UV/IR Cut Filter  filter is suitable for color camera with AR protect window. It’s available in 1.25″ or 2″ round moun...

ZWO Atmospheric Dispersion Corrector ZWO Atmospheric Dispersion Corrector (ADC) is used to reduce the effect of atmospheric dispersion on lunar and...

ZWO Duo-Band Filter The ZWO Duo-Band Filter is a dual narrowband filter primarily aimed at complementing our range of colour ASI cameras. The Duo-B...

ZWO IR 850nm Pass Filter 1.25" The ZWO IR 850nm Pass Filter 1.25″ suitable for IR sensitive cameras. The transmission properties of the IR 850nm Pa...

ZWO SHO Narrowband Filters The ZWO SHO Narrowband Filter Set contains one H-alpha, one OIII and one SII filter. Use it for tricolor CCD astrophotog...

ZWO Methane CH4 Filter 1.25" The ZWO Methane CH4 Filter 1.25″ is a special filter for photographic use. Its FWHM is 20 nm which is suitable for mos...

ZWO LRGB Filters The new ZWO LRGB Filters  are designed to approximately equalize the flux of mono sensors. The LRGB filters have a better transmis...

ZWO AR Protective Window for ASI ZWO D21 AR protect window Technical Parameter: Diameter: 21mm Type: AR window Thickness: 1.1mm Flatness: 1/4 λ Pro...