Description: This follow focus reversing gear ring is of gear mod 0.8, perfect connection between the lens and follow focus, and can switch from side to side. It comes with a fastening ring, a reversing gear, a position adjustment knob and a fastening knob. Adustable gear angle,Perfect connection between the lens and follow focus. Follow focus that used for professional camcorders, SLR, DSLR cameras etc. Specification: Material: PVC Plastic Size: 60*50*35mm Gear Mod 0.8 Weight: 50g Usage: 1.Snap the gear ring onto the follow focus 2. Check if the the reversing gear and the follow focus gear joint closely 3. Fine tune the adjustment knob to adjust the position of the reversing gear, making it run extremely closely with the main follow focus gear. 4. Attaches it firmly with the fastening knob. Package Includes: 1 Piece FFRG-01 Follow Focus Reversing Gear Ring