1. Introducing our L-type quick release plate, crafted from durable aluminum alloy, perfect for your DC-S1/S1R mirrorless camera. 2. This plate features precision CNC machining and an anodized surface treatment for superior durability. Its solid split design includes all stainless steel camera screws, a vertical baffle, a hand grip, and a porous bottom plate. 3. Designed with a lightweight hollow structure, the camera's 1/4 screw can be tightened with available tools or even a coin. For added security, the quick release plate includes anti-off safety screws on the back. 4. Specifically tailored for the S1/S1R mirrorless camera, mounting this vertical plate will not obstruct the data port, shutter cable, or microphone cable. The bottom is also reserved with a 1/4 screw hole and strap hole. 5. Utilizing a 39mm standard AS interface, this plate supports IS-QJ64/JZ50 and IS-QJ58 PTZ, and is compatible with AS standard pan/tilt systems from leading brands like RRS, ARCA-SWISS, KIRK, Wimberley, MARKINS, SUNWAYFOTO, kangrinpoche, BENRO, and SIRUI.