FF-4 is a Basic Follow Focus Unit consists of a single-sided follow focus with one standard knob & one flat marking disc. This robust, economical unit slides onto a pair of lightweight 15mm rods (rods not included). The FF-4 is designed with a 1:2 knob-to-gear ratio for smooth, accurate focus pulls on a variety of lenses. A required focus gear is not included with this unit.
ARRI FF-4 Basic Follow Focus Unit (Black)
- Slide-on design for 15mm lightweight support rods; requires BA-2 or BA-3 adapter for use with studio bridge plates.
- Single style left (operator) side unit includes one standard knob.
- A 1:2 gear ratio suits a variety of lenses.