"80" series filters are color conversion filters for the use of daylight type color films with artificial light source. 80A increases the color temperature from 3200°K to 5500°K for the use with 3200°K lamps (household incandescent bulbs). 80B increases the color temperature from 3400°K to 5500°K for the use of photoflood lamps.

• Excellent for copy stand lighting.
• Corrects color balance for standard processing.
• Allows photography indoor and outdoor on the same roll of film.