QHY 7 x 1.25"/31 mm CFW3S-SR Color Filter Wheel -Small - Standard Thickness - 110038 Cassegrain Telescopes 3 mm Exit Pupil size

3 mm Exit Pupil size

74") Focal Ratio f/5

They can be set at different heights

Focal Length: 600mm

made from Acrylic material

QHY 7 x 1.25"/31 mm CFW3S-SR Color Filter Wheel -Small - Standard Thickness - 110038 Cassegrain Telescopes 3 mm Exit Pupil sizeQHY 7 x 1. 25" 31 mm Small CFW3 Color Filter Wheel Standard Thickness *Since the standard model is deeper than the US (ultra slim) model, it can accommodate both 31 mm or 1. 25" mounted filters as long as the thickness of the filter cell falls under 10 mm. About All QHY CFW3 Filter Wheels QHYCFW3 filter wheels utilize a new motor with direct drive and will reverse direction to take the shortest path when moving from one filter to another. Each filter