Smooth focusing when filming with DSLRs and system cameras The Follow Focus allows you to focus smoothly when filming. With the Follow Focus you can precisely adjust the focus level. An adjustable gear ring makes the use with lenses of a diameter from 52mm to 86mm possible.2 stoppers for fixing the focus sequence Two stoppers allow you to fix the focus sequence. With them you can select a start and stop point, between which you can turn the focus wheel.Quick-fix clamp A quick-fix clamp makes it possible for you to mount the Follow Focus to your rig particularly quickly. You can simply clip it to the rig instead of sliding it onto the rods.Suitable for right- and left-handed use The Follow Focus can be mounted on either side of the lens. The gear can simply be moved to the other side of the Follow Focus, making it suitable for use on both sides of the lens. This makes it perfect for both right- and left-handed use.Specification: Suitable for adjustable mount lens from 52mm-86mm Fit rail diameter: 15mm (60mm center to center difference) Gears Nylon and ABS dial index adjustment: 360° Weight: about 500gPackage Included: 1X Focus Follow Finder F4 1X Matching Gear Belt 1X Metal BracketBuy in confidence: One year warranty 7 days 24 hours customer service Quality Check before the items are shipped, saving your time!