This medium- to high-contrast film is balanced for daylight and 5500 K electronic flash. Features accurate, true-to-life colors, deeper blacks, whiter whites and more saturated colors overall. Polaroid's sharpest, clearest instant film, Type 79 accurately matches chrome films and has wide speed consistency (ISO 100 from 55°F to 95°F). For use with the 545 type film holders. 20-exposure box.