Follow Focus Systems
A follow focus is a focus control mechanism used in filmmaking with film cameras and in television production with professional video cameras.
It allows the operator to be more efficient and precise. It is often operated by a focus puller.
A Follow Focus has a set of gears that attaches to the teeth situated on the focus ring of the Camera.
The Gears then feed a wheel which is turned by the operator; this will spin the teeth allowing precise accurate movement of the focus ring allowing for perfect focusing shots.