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what is photography

Photography is the process of recording pictures by means of capturing light on a light-sensitive medium, such as a film or sensor. Light patterns reflected or emitted from objects expose a sensitive chemical or electronic medium during a timed exposure, usually through a photographic lens in a device known as a camera that also stores the resulting information chemically or electronically. Aperture Shutter speed History of photography Color photography black-and-white List of basic photography topics