Photography Information

Photography is the process, activity and art of creating still or moving pictures by recording radiation on a sensitive medium, such as a photographic film, or an electronic sensor. Light patterns reflected or emitted from objects activate a sensitive chemical or electronic sensor 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. Photography has many uses for business, science, art, and pleasure.

The word "photograph" was coined in 1839 by Sir John Herschel and is based on the Greek φῶς "light" and γραφή "representation by means of lines" or "drawing", together meaning "drawing with light". Traditionally, the products of photography have been called negatives and photographs, commonly shortened to photos.

The camera or camera obscura is the image-forming device, and photographic film or a silicon electronic image sensor is the sensing medium. The respective recording medium can be the film itself, or a digital electronic or magnetic memory.

Wikipedia, Photography, http://en.wikipedia.org/wiki/Photography (as of Apr 1, 2010)

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gu · ru [goo-roo] : one who is regarded as having great knowledge, wisdom and experience in a certain area, and who uses it to guide others. Log in or join now now to designate yourself or someone you know a Photography guru.

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