ZWO EFWMini 5 Position Electronic Filter Wheel for 1.25 and 31mm Filters lx Focal Length: 2350 mm (80

Focal Length: 2350 mm (80 in)

5-pound counterweights and a counterweight extension bar

Its narrow 7nm FWHM bandwidth has a transmission at H-Alpha of over 90%

Whisper-Quiet Motors

ZWO EFWMini 5 Position Electronic Filter Wheel for 1.25 and 31mm Filters lx Focal Length: 2350 mm (80ZWO EFWMini 5 Position Electronic Filter Wheel for 1. 25 and 31mm Filters This ZWO EFWMini 5 Position Electronic Filter Wheel for 1. 25 and 31mm Filters is certainly one of the smallest 5 position filter wheels in the world. it is also extremely lightweight, it weighs 300g only. Its housing is CNC machined from aircraft grade aluminium alloy. The stepper motor, that is the heart of any electronic filter wheel, is made by a reliable Japanese company,