SmallRig Mini Follow Focus 3010B is designed for easy and quick focus control in video shooting. It is fixed to the left side and upper side of lens via Φ15mm Rod and Rod Clamp (with NATO rail) 3011. The Snap-on Gear Ring fits lens in various diameters and drives lens through standard 0.8 MOD gears with different numbers of teeth, comes with M0.8-43T gear. Gear optional model: M0.8-65T gear 3200, M0.8-38T gear 3285; Rod Clamp (with NATO rail) 3011 supports quick release interface. The marking disk can be easily removed and replaced. The AB marks are adjustable for easy switch between AB focal length and full focal length. Lightweight and portable, the follow focus features anti-sweat and anti-slip focus knob (inspired by sports car hub), providing precision comfortable damping control. It can be mounted at different angles, providing precise adjustment and convenient shooting experience in handheld and tripod scenarios.