The Triumph of Lester Snapwell (1963)

A low budget industrial film shot for the Eastman Kodak company. The mildly funny film that shows all the troubles of a man named Lester Snapwell (Keaton), who, in the late 1860's, tries to photograph his sweetheart, Clementine, and her mother. However, he has too much trouble with the bulky camera. Then he is accidentally killed and father time transports him forward in time. In each successive period he struggles with the photographic technology of the day. Then he arrives in the 1960's where the new Kodak Instamatic" camera puts all his troubles to rest.