Shoulder Mount Follow Focus Matte Box Professional Support System Kit Rig DSLR w/ Hard Case This rig is set of components enabling you to build a support cage; surrounding a video camera, video DSLR, or motion picture film camera. Remove top handle, it can work for Sony DVs; Stabilizing shoulder rig for shake-free filming, individually adjustable to your height. Present the most 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; Two 360-degree rotating filter trays of the matte box support both 4*4 and 4x5.6" filters. Swing-away mechanism for quick lens changes. Universal design for all camcorders and DSLRs; Fits industry standard 15mm supporting rods; all metal construction.