Follow Focus Systems

This seamless clamp on gear ring clamps securely around the focus barrel of your lens by tightening one little screw (allen key is included). Once tightened, the slit in the ring disappears and makes the ring seamless. The tooth size is M0,8.

MFC-3F follow focus for DSLR and small Cine style lenses, with a gear ratio of 1:1 and integrated friction module. 100% Playless.