An official United States War Department training film produced by the Signal Corps in collaboration with the Chief of Air Corps. Uses animated diagrams to illustrate the workings of a camera, use of filters and the various types of aerial cameras and their use in particular fields. The four types of cameras shown are the K-3B camera, K-7C camera, K-12 night camera, T-3A (for aerial maps) & A-8 aerial mount. Preparing the camera for a mission. Care of the camera and method of lens cleaning.
Did you miss our previous article...
https://busybeefilms.com/aerial-photography/aerial-photography-from-a-small-plane-with-the-nikon-d850