SmallRig Full Camera Cage for Sony Alpha 7 IV/Alpha 7 S III/Alpha 1/Alpha 7R IV 3667SmallRig Full Camera Cage for Sony Alpha 7 IV Alpha 7 S III Alpha 1 Alpha 7R IV 3667 is designed to provide accessory mounts and protect the camera. Two locking side plates are included, together with one 1 4" 20 screw at the bottom, to lock the camera and prevent deflection. Built in all around protective spacers prevent the camera from being scratched. The cage gives access to interfaces, dials, buttons, or battery door. There is a spindle spanner