The Follow Focus is complete gearbox driven designs for steady and precise movement of focusing, it is suitable for Canon, Nikon, Fuji, Olympus DSLR Camera or filmmaking. Koolertron Follow Focus are not the best ones, but absolutely professional. Moreover, the good price, fast delivery and nice service will be your decent choice on Koolerbuy.com. Don’t you believe it? Never mind, we are always here waiting for you and your testing.