Filters (Imaging)

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...

We are very excited to announce the EFW Mini Electronic Filter Wheel from ZWO. Compacts and lightweight. The EFW Mini...

The newest addition to ZWO's filter wheels for imaging is the ZWO EFW 8x1.25 inch motorized model. The body is CNC machined from a full block of ai...

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...

ZWO 1.25″ IR UV CUT filter is suitable for colour camera with AR protect window. The ZWO IR Cut Filter 1.25 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- EFW-7x2in With the ZWO -EFW-7x2 there is no need for multiple cables to power this wheel up, just one USB cable does the trick. The maximum po...

New 2″ filter drawer featuring the anti-light-leaking design that can effectively solve the light leaking issue under long exposure. (M42) (M5...

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...

ZWO- EFW-5x2in The ZWO EFW 5x2in Electronic Filter Wheel can be rotated in both counter clockwise and clockwise directions for filter selection. Th...

New from ZWO The ZWO New EFW-EOS II adapter has been designed as a short EOS adapter for EFW & Cooled camera(6.5mm backfocus version). Extend d...

ZWO Filter Masks 7x36mm are used for fitting unmounted filters to ZWO filter wheels. Please use the M2 screws and masks to fix the filters: ⚫ Re...

The new ZWO EFW 7 x 36-II (Electronic Filter Wheel) was independently developed by ZWO for astronomical mono cameras. With the larger body and the ...

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