Kodak EKTAPAN 400 Negative (Print) Film - format 35mm Roll Film, 36 Exposures expired 07/2028 Panchromatic B&W Negative Film ISO 400/27° in Standard Process High Sharpness and Contrast Ultrafine Grain, T-Grain Emulsion Featuring the finest grain of any 400-speed black and white film in the world, Kodak Ektapan 400 produces striking, highly detailed images with strong contrast and superior clarity.