Instructions
Press the "Start" button on the PS3 controller.
Scroll to the "Options" menu using the left analog stick or D-pad and press "X."
Press "X" over the "Controls" option.
Press "X" over the "Camera Analog" setting, and then select the green "On" option.
Press the "O" button twice, and then press the "Start" button to return to the game. The right analog stick will now act as the controls for the camera.