Tilta Mini Follow Focus F/DSLR Cameras Lens Control- Seamless Focus Gear #G096

Neewer Follow Focus Lens Control System for DSLR Video Camera Rig

SmallRig Mini Follow Focus F40 Read Description

Opteka FF180 Follow Focus For 15mm Rod Mounts - Reversible - Good Condition

SmallRig Mini Follow Focus - No Gears For 15mm Rails

PDMOVIE Zoom/Follow Focus Lens Gear Ring For lenses with Diameters of 42mm-84mm

Movo FR3 Adjustable Follow Focus Ring Gear Set

Redrock Micro Follow Focus — 0.8 Pitch Gear — Hard Stops — for 15mm Rails