160NC Portra 135-36 5 Roll Pro Pack 400NC is especially notable for natural colors at high speed Excellent rendering of subtle color and natural flesh tones Film Speed - ISO 160 for exposure times of 1/10,000 second to 10 seconds Color Balance - Daylight or electronic flash Suggested Applications - Advertising / Ilustration, Corporate / Industrial, Fashion / Glamour, Medical / Scientific, Portraiture (Available Light or Flash), and Wedding (Daylight and Electronic Flash)