Gear drive can be mounted from either side (works for both right-handed and left-handed), suitable for all kinds of lenses
Control the follow focus according to your usage habits
Apply to 52 mm - 86 mm lens all SLR cameras and home DV camera
Convenient for quick assembling and disassembling with slot design
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