Photography is the process, activity and art of creating still or moving pictures by recoding radiation on a sensitive medium, such as a photographic film, or an electric sensor. Light patterns reflected or emitted form objects active and sensetive chemical or an electronic sensor during a timed exposeure, useually through a photographic lens in a device known as a camera that also stores the resulting information chemically or electronically. Photography has many uses for buisness, science, art and pleasure.