"80" series filters are color conversion filters for the use of daylight type color films with artificial light source. 80C increases the color temperature from 3800Ã¸K to 5500Ã¸K for the use of clear flash bulbs.
Heliopan 704622 Features
Excellent for copy stand lighting.
Corrects color balance for standard processing.
Allows photography inside & outside on the same roll of film.