The Manfrotto 577 Quick Release Adapter with Sliding Plate adds a compact quick release system to any head that does not include one yet. Compatible with the 501PL camera plated (supplied with the head 501HDV, 503 and 519 video heads) 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.
|Attachment to camera||1/4" and 3/8" screws|
|Attachment threads||1/4" and 3/8" female mounting threads|
|Secondary safety system||Yes|
|Sliding travel of plate||20.0mm|