Kaiser Fototechnik proVision 4.55 HF fluorescent bulb

Softlight proVision 4.55 HF For even and soft illumination, especially suitable for digital photography and video shooting.
Fitted with 55 watt daylight fluorescents with very low heat radiation. High-frequency operating system (approx. 40 kHz) for immediate ignition and flicker-free operation for unrestricted use with all digital camera systems including scanning cameras and scanbacks. High-gloss reflectors and intensifier barn doors for exceptionally high lighting efficiency. Light output can be dimmed down to 10% of maximum. Compact aluminum housing. Light is tiltable, with mounting frame for suitable stands/holding devices with 16 mm standard spigot.

Color temperature: 5400 K (3200 K on request)
Service life of lamps: approx. 8000 h
CRI: 90-100

Lamps: 4 x 55 watt, 5400 K
4 barn doors, cable remote control (3 m / 10 ft.) for dimming.
Illuminating surface: 34 x 51 cm (13.4 x 20 in.)
Weight: 6.7 kg (14.8 lb)