Sevenoak SK-MHF03 is a motorized follow focus that allow filmmakers to pull focus and steady the camera on the move and makes it easier to achieve high-quality production value on a shoestring budget. With movable and height-adjustable base plate SK-MHF03 allows you to switch from different cameras without breaking down the whole system. Built with two sets of operation system SK-MHF03 makes it easy to control the zoom and focus whether it is mounted on a tripod or on you shoulder. And its two motor devices on both sides of the rails are movable and interchangeable. Features: Comfortable shoulder pad. Movable and height-adjustable base plate. 2 sets of motorized zoom and focus operation system. Movable and interchangeable motor devices. With motorized zoom and focus operation system on the hand grips for easy control. Includes 2 rubber band and 2 driving belt.