The Flycam Follow Focus V1 is a flexibly designed light weight equipment, allowing a camera operator to work with more precision and efficiency. It"s a flexibly designed lightweight equipment for more precision and efficiency. The new FLYCAM Follow Focus FF-125 offers an optimized design for better compatibility with DV/HDV & DSLR type cameras. Its follow focus simplifies and enhances focusing techniques, especially when filming from different angles. It works with 15mm rods (60mm center-to-center distance) . The Flycam mounts onto a 15mm Rod Support (60mm center to center difference). It fits most lenses with a proper focus focus gear drive (Interchangeable gear drives currently shipping 0.8/2.51mm pitch). It"s compatible with all DLSRs and video cameras. The FLYCAM Follow Focus is for most demanding shots. A Follow Focus kit that gives you control, precision and accuracy at the most affordable price is a revolution in the price trends. CAMERA,TRIPOD STAND & RAIL SYSTEM NOT INCLUDED. GET FREE 13" Flexible GEAR BELT & 6Pc of 55-110mm GEAR SET This unit includes a 0.8 module 13" Flexible gearbelt that can be used with a wide range of lens diameters, on prime or zoom lens. It comes with gear locking housing. You just need to wrap the gear around the lens, cut to size, press on gear locking housing and tighten; adjustments takes less than one minute. Gear Dimensions: - 55mm - 65mm - 65mm - 75mm - 75mm - 85mm - 85mm - 95mm - 90mm-100mm - 100mm-110mm - Gear Pitch - 2.51mm - module - 0.8 - No. of Gear Teeth - 107 - Screw Diameter - 4 mm PACKINGYou will receive the follow focus FF-125 in one box. The product is packed in a grey foam packing for safety purposes during delivery