Bogen Manfrotto Video Quick Release Adapter 577

The 577 Video Quick Release Adapter by Manfrotto is compatible with the 501PL camera plate (included) and the special 501PLONG accessory plate. This Quick Release adapter gives you the freedom to remove the camera from the head without detaching it from the plate and put it on any other support. Supplied with 1/4" and 3/8" camera screws. Sliding travel of plate: 50mm