ARRI Studio Follow Focus FF-4
The ARRI Studio Follow Focus FF-4 is a complete follow focus system for use with film and cine-style lenses. Key features include, a gear ratio that is appropriate for a wide range of lens barrel sizes, compatible with focus knobs from FF-5 HD and all ARRI driver gears, compatible with ARRI lightweight support, compatible with studio bridge and ARRI HD baseplate (with adapter), manufactured in black metal, economical and robust.