The Sirui TY-350 Telephoto Lens Support Quick Release Plate ensures stability for your telephoto-lens-equipped camera. This support plate comes with 1/4"-20 and 3/8"-16 mounting screws to connect the lens foot. An adjustable vertical support is incorporated into the design to support the camera body. The adjustable travel system can fit a variety of camera sizes having a minimum height of 1 inch above the rail to a maximum limit of 4.3 inches. The provided QR plate offers easy installation and removal. You can align the camera by using the three long channels to get stability.