PROAIM HS-1000 Professional Hi-Grade Follow Focus with A/B Hard Stops, Flexible Gear Belt & Speed Crank | for 15mm Rod Support & DSLR Video Camera Stabilizer Shoulder Rig (HS-1000) Proaim introduces its most durable HS-1000 follow focus allowing you to smoothly and accurately pull focus with cinema and DSLR lenses equipped with gear rings. Gear Arm adjustable distance - 5.5 cm Allows extremely focusing lenses to be geared and used with Follow Focus industry standard 0.8 module. Nylon gears and ABS 360 degree Dial Index Adjustment. Speed crank for precision-controlled manual focus racking