The process of taking pictures from a K-12 camera is described in United States.
United States USA Date:1940 Duration:4 min 40 sec Sound:Yes
A U.S. Army training film about the functioning of K-12 camera. Animation shows the process of aerial photography. A plane flies at 4000 feet above the ground. Lenses of camera are beyond the coverage of bomb. A photographer adjusts the mounting ring. As the pilot signals he sets the amplifier on and releases the bomb. At the sound of explosion he switches the amplifier off. A dark slide is replaced from holder. Exposed film is removed. The electrical connections are checked time to time. Film magazine is placed and locked. Suction tube is checked on cheek. The process is repeated again. One time filming covers one quarter square mile. Overlapping of the field must be done at 35% as it facilitates careful matching.
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