The Manfrotto 785PL Quick Release Plate is a wedge-shaped
"dove-tail" style quick release plate compatible with the Modo 785
series tripod heads. It features the standard 1/4"-20 camera screw and a
video camera alignment pin.
You can attach the quick release plate to the camera's base at all
times; the item allows the user to quickly and easily attach or remove
the camera from the tripod without having to waste time fumbling with
the threaded mount