FPP Yeti 35mm BW is an orthochromatic (blue sensitive) estar based positive motion picture film. Its intended use is for direct contact copying titles and mats in motion picture work. It's ultra fine grain and creamy tones make it perfect for pictorial use in your 35mm SLR camera. This type of film needs to be shot in daylight (or using flash/strobe). Avoid yellow filtration and shooting in indoor/tungsten light.