The box camera is, with the exception of the pin hole camera, a camera in its simplest form. The form of the classic box camera is no more than a cardboard or plastic box with a lens in one end and film at the other. A simple box camera has only a single element meniscus fixed focus lens and usually lacks control of aperture and shutter speeds. This makes them suitable for daylight photography of medium distance, static subjects only — snapshots, essentially. During the type’s commercial life span, box cameras with photographic flash, shutter and aperture adjustment were introduced, allowing indoor photos.