Really Right Stuff Base Plate for Sony a1, a9 II, a7R IV, and a7S III

The Base Plate for Sony a1, a9 II, a7R IV, and a7S III from Really Right Stuff is designed to add Arca-type quick release functionality to the camera body. The plate features anti-twist flanges to keep the camera securely in place and prevent it from rotating on the plate.