A pack to make 10 large format B&W photos. For use with an 8x10 camera, Polaroid film holder and processor. Images begin to emerge within 5-10 minutes at 70°F (20°C). 640 ASA Film Speed ±? stop. Storage Temperature 34-45°F (1-7°C). 8 x 10 inch (18 × 24cm) is our largest format instant film, producing photos with incomparable clarity and detail. Professional photographers use the format to achieve results not possible on any other type of film. Our latest film formula produces photos with rich color, well-balanced tones and those soft textures that make analog photography so distinctive. 8×10 films are produced and carefully assembled, mostly by hand, in our factories in Enschede, NL and Monheim, DE..