Focus

invisible latent image, which is later chemically developed into a visible image, either negative or positive depending on the purpose of the photographic material and the method of processing. A negative image on film is traditionally used to photographically create a positive image on a paper base, known as a print, either by using an enlarger or by contact printing. Photography has many uses for business, science, manufacturing (e.g. photolithography), art,recreational purposes,and mass communication.