The Arri FF-4 is a tried and true follow focus for manual focus or aperture control. It natively mounts to 15mm lightweight rods and, with an adapter, may also mount to 15mm or 19mm studio rods.
- Follow focus system for use with film and cine-style lenses
- Gear ratio of 1:2 is appropriate for a wide range of lens barrel sizes
- Economical and robust