The Manfrotto 577 Rapid Connect Adaptergives you the freedom to remove the camera from the head without detaching it from the plate. It includes the 501PL plate and is compatible with the 501PLONG camera plate as well. A 1/4"-20 screw and a 3/8"-16 screw are included so you can use the plate with various cameras. Corresponding threaded holes on the side of the adapter allow you to store the screw that is not being used, so you can access it if and when you need it.
0.8" (20mm) of sliding travel within plate to optimally balance gear
One 3/8"-16 and two 1/4"-20 female bottom mounting threads
Plate has 1/4"-20 and 3/8"-16 mounting screws, in addition to anti-twist video register pin
2-stage quick-release system
Camera Mount Screw Sizes One 1/4"-20, Male
One 3/8"-16, Male
Tripod Mount Thread Sizes One 3/8"-16, Female
Two 1/4"-20, Female
Color Black
Material Aluminum
Plate 501PL
Sliding travel of plate: 0.79" (20.06mm)
Quick Release Yes
Backup Secondary safety system
Weight 0.62 lb (0.28 kg)
