Reduces unnatural red tones in early morning or late afternoon light Prevents reddish cast Maintains natural flesh tones Can create mood of coolness 82A provides a cooler effect with tungsten film under 3200 K lamps 82A Increases temperature from 3,000 to 3,200 Kelvin (1/3 stop) 82B Increases temperature from 2,900 to 3,060 Kelvin (2/3 stop)