Optical apparatus and instruments, namely, optical ports for underwater photography, dome ports for underwater photography, wet diopters, adapter lenses for underwater photography; Camera stability accessory, namely, a support arm, vest and sled for film and video cameras to absorb shaking moves while shooting; Camera tripods; Connecting devices for photographic equipment, namely, cable connectors; Data cables; Motion-activated cameras; Nautical and photographic apparatus and instruments, nam...