1. Accurate focusing
2. Professional touch, excellent damping design
3. Gear drive can be mounted from either side (works for both right-handed and left-handed), suitable for all kinds of lenses
4. Control the follow focus according to your usage habits
5. Apply to 52 mm ~ 86 mm lens
6. With A/B hard stops function, which has easy begin/end setups for fast repeatable racking between two points, and make focusing lenses that have no hard stops much easier.

YELANGU follow focus used for adjusting the focus when shooting, usually match with DSLR rig kit. Simple installation, Compatible with industry standard 15mm rods, and for a variety of lenses with outstanding damping design. More, with fast and accurate focusing, the focus naturally, making film shooting more efficient and convenient