Photograph

:Photo redirects here. For the French magazine, see Photo (magazine).

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A photograph (often just called a photo) is an image (or a representation of that on e.g. paper) created by collecting and focusing reflected electromagnetic radiation. The most common photographs are those created of reflected visible wavelengths, producing permanent records of what the human eye can see.

Related Topics:
Image - Paper - Focus - Electromagnetic radiation

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Most photographs are made with a camera, which focuses the light onto either photographic film or a CCD or CMOS image sensor. Photographs can also be made by placing objects on photosensitive paper and exposing it to light (the result is often called a photogram) or by placing objects on the platen of a flatbed scanner (see scanner art).

Related Topics:
Camera - Photographic film - CCD - CMOS - Image sensor - Flatbed scanner - Scanner art

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