This FOTGA DP3000 M1 follow focus is not only keeping with traditional common features available on the market but also equipped with technological advances in image capture. A smart, quality, light weight, full featured, fast focus product, equal to the most modern DV/HDV/ & DSLR camera lenses available today. With more and more DSLR's used to record video, a proper follow focus system is a must. Operators using our FOTGA follow focus sing its praises and have discovered the true value of this all-inclusive kit. Specifications: Material: Aluminum Alloy, Plastic. Improved design has dampening which gives virtually zero backlash(<0.5mm). Long-life precision engineered gearbox enables accurate and reliable focusing Compatible with industry standard Follow Focus Whip or Crank. Gear drive can be mounted from both side.(Works for both right-handed and left handed) This set comes with a free flexible gear belt can be used with any zoom or prime lenses with a wide range of lens diameters(any size from 46 to 110mm) Adjustable locking systems Mounts onto 15 mm Rod Support (60mm center to center distance). MOD Drive Gear: Industry standard 0.8. Can work with different size gear to meet you need with different lens. Compatible with industry stand 15mm rods Rail distance: 60mm Rail diameter: 15mm Net weight: 228g Suitable for: All DSLR cameras,Video cameras Package including: 1 x Fotga DP3000 Dampen Follow focus (M1) 1 x 0.8mm matching gear belt (adjustable for 46mm-110mm) 1 x Gear (optional,we will ship the standard 43T if not request)