The 3D HERO System is currently compatible with HD HERO Original and HD HERO2 cameras. It is not compatible with any other camera.
You will need to update your camera's software before using the 3D HERO System. You will need to do this update on both cameras which are being used for 3D recording. The original HD HERO camera will require firmware version 54 or later, and the HD HERO2 camera will require version 70 or later.