Lighting unit with two light banks each equipped with two 36 watt daylight fluorescent lamps. Electronic high frequency operating system for non-flicker start-up and running. Especially suitable for use with digital scanner cameras. Lights can be switched individually. Lamps can be tilted individually. Mounting arms adjustable in height and angle. Fastening with clamp holders to boaseboards or tabletops up to 1.8 (45 mm) thick.