SmallRig 2122D L Bracket for Sony a7III / a7RIII / a9
This product is custom designed for Sony A7RIII, A7M3, A7III, and A9 cameras. Both the base plate and the side plate are of Arca-Swiss standard. It mounts to the camera's tripod socket and extends 20mm height for more comfortable gripping. The side plate is detachable and slidable as per your needs.