【Compatibility】SmallRig formfitting aluminum half cage 3639 is expecially designed for Alpha 7R V/Alpha 7 IV/Alpha 7S III/Alpha 1/Alpha 7R IV with lightweight protection of the camera. | 【Stable And Anti-twist】It includes two locking side plates and one 1/4"-20 screw at the bottom to lock the camera and prevent deflection and gives access to dials and buttons while retaining the grip experience of a bare camera. | 【Multiple Mounting Points】The half cage 3639 built-in all-around protective spacers protect the camera from being scratched. 1/4"-20 threaded holes, 3/8"-16 locating holes for ARRI, and cold shoes support top handle 2165, side handle 2093, monitor mount 2903, microphones, LED lights, etc. Quick release plate for Arca at the bottom is design for DJI RS 2 / RSC 2 / RS 3 / RS 3 Pro and the quick release plate for DJI RS 2 / RSC 2 / RS 3 / RS 3 Pro stabilizers for stabilizer shooting. | 【Built-In Accessories】This half cage 3639 stores a flat-head screwdriver and allen wrench that facilitates disassembly and assembly. The cage maintains rubber padding to prevent your camera from scratching and scuffing. | 【Note】①HDMI Cable Clamp 3000 is not compatible with Alpha 1 and Alpha 7R IV cameras and will interfere with the synchroterminal interface when used on Alpha 7R V camera. ②To use the side lock, please remove the split ring on the left side of the camera first | 【Power Backup Solution】SmallRig NP-FZ100 camera battery charger set is available now, two 2040mAh(Real) rechargeable batteries and a charger brings long battery life for your videos and photos shooting, if you need a sufficient power supply, please search SmallRig NP-FZ100 Battery 3824