No matter what your camera, this Follow Focus lends your video production the smooth, precise focus control of a big-budget film. Whether shooting with a fixed-lens camcorder, interchangeable cinema lenses, or a video-capable DSLR, the precision-machined Follow Focus system provides repeatable, accurate focusing. 

Specification:

Fit Rail Distance:60 mm 
Gears Nylon and ABS Dial Index Adjustment : 360 degrees 
Gear Weight: 30 gms 
Follow Focus Weight:340 gms 
Suitable the diameter of the lens from 52mm to 86 mm

Package Include: 

1X Focus Follow Finder F1
1X Matching Gear Belt
1X Metal Bracket

Buy in confidence: 

One year warranty
7 days 24 hours customer service
Quality Check before the items are shipped, saving your time!