The Lanparte Follow Focus V2 clamps onto 15mm LWS rods, allowing you to smoothly and accurately pull focus with cinema and DSLR lenses equipped with gear rings. Its quick release design that lets you easily snap it onto the rods without having to remove other rod-mounted accessories, such as a matte box. Integrated into the follow focus are A and B hard stops, letting you set start/end points on DSLR lenses that have continuously rotating focus rings. Additionally, the follow focus features an ARRI standard accessory port for using optional focus whips and speed cranks. A standard 0.8 pitch gear comes includes, which can be positioned on either side of the gearbox, as well as a removable magnetic marking disc. Also included is an adjustable gear ring for use with DSLR lenses that lack integrated focus gear rings.