The Manfrotto 521EX Sony PMW EX1 Remote Control is designed specifically for the Sony PMW-EX1 video camera.

The 521i is a LANC protocol remote control that has improved the 521 firmware and its internal electronic components in order to be more user friendly

The brand new 521PFi Focus/Iris remote controller is specifically designed to control operation of Panasonic DVX-102B and HVX-202 cameras.