ZWO Imaging Filters

The ZWO Methane band (CH4) filter is a special filter for photographical use. Its FWHM is 20nm which is suitable for most IR sensetive color or mon...

ZWO IR cut filter 2 inch is suitable for colour camera with AR protect window. The ZWO IR Cut Filter 2 inch blocks infrared light from reaching the...

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

The ZWO LRGB 36mm filter set has better transmission, better coating, better color separation the RGB color combine weights will be approximately...

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

ZWO Duo-Band Filter 2inch is a dual narrowband filter primarily aimed at complementing our range of colour ASI cameras. The Duo-Band filter is aim...

ZWO Ha 7nm filter 2in increases the contrast between nebula and night sky by helping to reduce the transmission of certain wavelengths of light, s...

The new ZWO LRGB 2in Filters has good performance in transmission, the high quality coatings offer good colour separation. Fits the NEW ZWO EFW-5x...

ZWO OIII 7nm 2in filter increases the contrast between nebula and night sky by helping to reduce the transmission of certain wavelengths of light,...

New from ZWO ZWO Narrowband 7nm filter set increases the contrast between nebula and night sky by helping to reduce the transmission of certain wa...

The ZWO SII 7nm 2in filter passes light at 672nm wavelength with a bandpass of 7nm which is designed for nebula observation. It is suitable for vi...

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