Manfrotto 577 Quick Release Adapter with Sliding Plate
Quick Release Adapter with Sliding Plate
Compatible with the 501PL camera plate (supplied with 501HDV, 503 and 519 Video Heads) and the special 501PLONG accessory plate. The 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.