Gossen
Belichtungsmesser, blitzbelichtungsmesser, luxmeter, farbtemperatur-messer, exposure meter, flashmeter, leuchtdichte-messung, light meter, colormeter, luminance meter, lightmeter, color-temperature-meter
http://www.gossen-photo.de/
Minolta
Minolta
http://www.minoltaeurope.com/
Sekonic
Sekonic light meters – photographic light and exposure meters for professional photographers.
http://www.sekonic.com/
Vivitar
Vivitar, manufacturers of high quality digital cameras and optical electronics.
http://www.vivitar.com/