SmallRig Cage for Sony A7RIII/A7M3/A7III 2087 mounts to the camera by a 1/4"-20 screw and a M2.5 screw on the right side, preventing twists and wiggles. It is formfitting and does not block camera's buttons and dials. Around the cage are multiple mounting points including a cold shoe, 1/4"-20 & 3/18"-16 threaded holes and Arri locating holes. On the base plate are embedded with rubber pads to prevent scratches and twists. Attach SmallRig HDMI Clamp 1679 to protect the HDMI cable. Around four corners are openings for wrist and neck straps. The cage also features sensor centering mark and focal plane mark.