For Comment: Bought 100ft roll of Kodak High Speed Duplicating Film at Dury's going out of business sale. It has been in a frig since. Put a roll in my camera Thursday and shot it using ASA of 6. It is a direct positive film and the whole roll was black. Took another roll and pointed the camera a Carnton. Took sequential shots from 0.5 sec to 30 sec at f2.8. After developing found images at 2.5 and 3 sec. The best one was at 2.5 sec.