terça-feira, 9 de agosto de 2011


Photography is the artscience, and practice of creating pictures by recording radiation on a radiation-sensitive medium, such as a photographic film, or electronic image sensors
Photography uses foremost radiation in the UVvisible and near-IR spectrum.[1] For common purposes the term light is used instead of radiation. Light reflected or emitted from objects form a real image on a light sensitive area (film or plate) or a FPA pixel array sensor by means of a pin hole or lens in a device known as a camera during a timed exposure
The result on film or plate is a latent image, subsequently developed into a visual image (negative or diapositive).
An image on paper base is known as a print. The result on the FPA pixel array sensor is an electrical charge at each pixel which is electronically processed and stored in a computer (raster)-image file for subsequent display or processing.
Photography has many uses for business, science, manufacturing (f.i. Photolithography), art, and recreational purposes. by WikiPedia

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