Adjustable lens with self-illuminated scale
Arrangement for scanning points in space
Automatic lighting equipment and automatic lighting system using
Automatic lighting equipment and automatic lighting system using
Calculator and apparatus for macrophotography
Integrated sensor for correlated color temperature and...
Light angle indicator of photographic flash
Medical lighting apparatus and medical imaging apparatus
Multilamp photoflash unit with electrostatic protection
Multiple flash array
Photoflash lamp array having shielded switching circuit
Photoflash unit with two-color indicator
Photographic flash device