Aputure V-Wheel @ AED 500 ($136.80) It is designed for DSLRs & Camcorders to focus. V-Wheel features in outstanding dampening design, flexible mounting and operatation, with industry standard, various lenses mountable. Using V-Wheel to achieve ultimate focus precision. 1- Precise focus control. 2- Professional handling and outstanding dampening design. 3- Gear drive front/back mountable to fit various lenses. 4- Controller left/right mountable to suit yourself. 5- Fits lens from 52mm to 86mm. 6- Using industry-standard 15mm rods(60mm pitch-row). 7- Easy to mount.