Kodak High Definition 400 Speed 24 Exposure Film (3-Pack) ISO 400, 35mm color negative film Brings state-of-the-art KODAK ADVANTIX Film technology to 35 mm, for superior grain in the 400-speed class High Definition 400 Film is the film of choice for very high quality photography in wide ranging situations, especially with telephoto lenses, limited light conditions, or for stop-action work Designed for exposure by daylight and electronic flash Emulsion has superior resistance to damaging scratches