Hoya 77mm 80A Tungsten to Daylight Conversion Multi Coated Filter

“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. 80C increases the color temperature from 3800°K to 5500°K for the use of clear flash bulbs. Available in all popular sizes.