Aputure USB Focus Controller Ufc - 1S

Aputure V-control UFC-1s USB Focus Controller is a handheld USB host device designed to control certain Canon DSLR cameras that use Canon's USB protocol. The follow focus can work in both still and video mode. Its seven versatile buttons and center control wheel can help you quickly focus adjustment & precisely focus. It can also set ISO, Aperture, the speed of shutter & exposure. It will revolutionize the way you shoot stills and videos