YELANGU F3 Follow Focus Unit with Hard Stops

The F3 Follow Focus Unit from YELANGU mounts onto any 15mm rod system and allows you to make smooth focus adjustments with precise control. The follow focus unit comes with A/B hard stops that allow you to fix the focus sequence by selecting both a start and stop point, between which you can turn the focus wheel. The included standard 0.8 pitch drive gear fits 52 to 86mm DSLR lenses.