ZWO EFW Electronic Filter Wheel - Seven Position for 50 mm Square Filters - EFW-7X50 type-mount-accessories Folds down to just over

Folds down to just over 18 inches

with significantly less hunting — even when there are obstacles in the frame

we recommend you purchase a Celestron Smart DewHeater Controller

21 Surge 6KV on request)

ZWO EFW Electronic Filter Wheel - Seven Position for 50 mm Square Filters - EFW-7X50 type-mount-accessories Folds down to just overZWO EFW Electronic Filter Wheel Seven Position for 50 mm Square Filters The ZWO EFW 7 X 50" is CNC machined from aircraft grade aluminum, is only 28mm thick and weighs just 1kg! This electronic filter wheel accepts up to seven 50 mm Square filters, which are sold separately. Filters between 3 & 4 mm thick are compatible with this filter wheel. Inside the ZWO EFW 7X50 is a quality stepper motor made by NPM in Japan. It is very reliable. The max power