A7 IV/A7R IV/A7 S III/A 1 Cage - SmallRig Cage 3667 is designed to provide a wide range of accessory mounts and protect the camera. Customized cage for Sony A7IV A7R4 A7S3, and A1, well compatible with the camera Better Anti-deflection Design - Mount camera onto the cage with an integrated 1/4"-20 screw, and use the two side locking plates (one for Sony Alpha7S III/Alpha 1, one for Alpha 7 IV ) to prevent twisting All-round Protection - Adopts aviation aluminum and formfitting design for security and durability. Features built-in ruber pads on the bottom for preventing being scratched. Better protection but also access to the camera's controls.