Control of light emission from flash lamp externally...
Distance measurement apparatus and optical system using the same
Flash lamp usable both as a main and as a slave and connector th
Flash lamps for underwater photography provided with target...
Housing and control unit for underwater camera
Housing with camera and illuminator for fence and security...
Method and apparatus for photographing fluorescent undersea...
Pressurized camera system
Strobe controller system with flash unit interoperability
System comprising camera and waterproof housing
Turbid water displacement viewer for vidio and the like