Description:Nowadays,with the rapid development of digital cinematography technique,more and more powerful digital cinema cameras (video dslr and video mirrorless camera) come out.Under this circumstances,we intend to make out a set of auxiliary rig that applicable to all brand and model cameras,then here comes out our DP30 series-we design and manufacture it all by our own.JTZ DP30 cine follow focus is compatble with all standard 15mm19mm rail system.Compatible with all cinecamera,camcorder ,DSLR camera, Mirrorless camera.DP30 15mm19mm cine follow focusCompatible with 15mm19mm rail system.Quick-release clamp.AB hard stops version.AB stop screws can be removed to make the follow focus work as a non-AB follow focus.12x12 port for standard speed whip and speed crank.Rubber covered handwheel,no-slip,touch well.Replaceable white mark ring.Single-15mm rod follow focusHandwheel can be detached and connected to a Single rod piece adapter to work on a single rod.This can save some space for your other device.Angle can be adjusted according to your need.(Single rod piece is not included,need to buy separately)PackageDP30 FF x 115mm QR clamp x 115mm to 19mm Adapter x 1Speed Crank x 110ft Focus Whip x 1Mark Disk x 4Rubber Gear x 1M0.8-38T 43T 65T gear x 1M0.6-64T gear x 1M0.5-78T gear x 1