SunSmart Professional DSLR Rig + Follow Focus + Matte Box + Adjust Platform+ C Shape Support Cage +Top Handle for All DSLR Cameras and Video Camcorders Flexible designed, easily adjust into different shooting mode; Easy to install, strong enough to support heavy professional video camcorders and other video devices; with shoulder pad for comfortable support. Provide stabilization during video production; with 1/4'' thread and 3/8'' thread on plate, can mount cameras and other screw thread devices. Present innovative and needed function-Movable Focus Indicator. Easy begin/end setup for accurate and highly repeatable racking between your desired indicator location with 2 hard stoppers. Completely gear-driven design for slip-free, accurate, and repeatable focus movement; 2 filter trays supporting 2, 4*4 filters; for lenses of front diameter size up to 98mm. Universal design for all camcorders and DSLRs; Fits industry standard 15mm supporting rods; Heavy-duty aluminum and stainless steel construction; Can work for Sony DVs.