3D camera systems, namely, adapters for allowing 3D shooting; Bags specially adapted for underwater camera housings; Camera hardware systems for IP (Internet protocol) video surveillance; Camera lens adapters; Camera lens mounts; Camera stability accessory, namely, a support arm, vest and sled for film and video cameras to absorb shaking moves while shooting; Follow focus apparatus for adjusting camera lenses; Lens hoods; Photographic cameras; Remotely-controlled sub-aquatic video camera containing a TV camera, transmitter, receiver and microphone to record, detect, measure, survey and locate objects underwater; Underwater cameras; Viewfinders; Bags for underwater camera enclosures; Nautical and photographic apparatus and instruments, namely, underwater housings for cameras, underwater enclosures for cameras and underwater enclosures for photographic lenses; Optical apparatus and instruments, namely, optical ports for underwater photography, dome ports for underwater photography, wet diopters, adapter lenses for underwater photography; Viewing devices, namely, digital photograph viewers, 3D digital photograph viewers, underwater digital photograph viewers, underwater 3D digital photographs viewers, underwater LCD displays, underwater enclosures for LCD displays and underwater enclosures for video players