The sevenoak skmhf04 is a motorised follow focus system with memory that allows filmmakers to pull focus and steady the camera whilst on the move the skmhf04 is designed with a memory function that can retain up to 4 focus points which makes it more convenient for the users to capture some important moments it comes with a height adjustable base plate and has an easily controllable zoom and focus function whether used on the shoulder or on a tripod