SmallRig Mini Follow Focus Lens Zoom Control Portable for DSLR Camera Rig 3010C
It is fixed to the left side of the lens via Φ15mm Rod 1050 and Rod Clamp (with NATO rail) 3011. Gear optional model: M0.8-65T gear 3200, M0.8-38T gear 3285; rod clamp (with NATO rail) 3011 supports quick release interface.