Filter Wheels

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...

The Atik EFW3 2" 7 Position electronic filter wheel for large format cameras can be ordered with the ability to either carry up to 7 × 2” mounted...

The ATIK EFW3 7 Position electronic filter wheel for large format cameras can be ordered with the ability to either carry up to 7×50.8mm unmounted ...

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- 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...

ZWO 8x31mm Filter Mask are used for fitting unmounted filters to ZWO filter wheels. Please use the M2 screws and masks to fix the filters: ⚫ Remov...

Product Description New ZWO Filter Drawer Nikon with a thickness of 29mm that can be used for carrying 2” filter and connecting ASI cooled cameras ...

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 ...

FW8S-Aluma is the 8-position filter wheel for Aluma CCD Series cameras. It is compatible with Canon EOS and Nikon lens adapters. Features The caro...

Spare filter holder for your NEW (purchased after October 2022) ZWO M42 Filter Drawer The spare filter holder for NEW (purchased after October...