E

Electronic wireless communication transmitters, receivers, and transceivers for wireless communication and control between equipment used in the fields of photography and lighting; downloadable computer firmware for use by a computer in communicating with, and controlling the operation of, photography equipment; downloadable computer software for use by a computer in communicating with, and controlling the operation of, electronic wireless communication apparatus, namely, transmitters, receivers, and transceivers for wireless communication and control between equipment used in the fields of photography and lighting; camera flashes and photographic flash units