All about the ZWO EFW 7X50.8mm filter wheel
This motorized filter wheel allows you to position 7 filters in front of your camera and change them quickly thanks to a computer (or the Asiair control box). The very fine design (20mm of backfocus) of this filter wheel allows the filters to be placed as close as possible to the sensor as well, used with an ASI6200 (with filters with a flow 50.8mm) The distance filter-capper is only 18mm .

Its engine consumes very little electricity which allows it to be supplied directly with USB via your camera. This ZWO EFW2 filter wheel works with all market software via an ASCOM driver. High quality aluminum construction machined under CNC (digital control machine), Step -by -step NPM engine made in Japan.