Difference between revisions of "Camera obscura"
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Revision as of 09:36, 23 September 2011
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| painter's Camera Obscura in the Encyclopédie, ou dictionnaire raisonné des sciences, des arts et des métiers of 1772 |
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| modern camera obscura by Ancient Magic Art Tools |
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| longitudinal section of camera obscura from Meyers Großes Konversations-Lexikon, 1905 |
The Camera Obscura (literally, dark or hidden room, from Latin) is a device consisting of a room or box which is enclosed except for a small hole; this means that the room is kept dark but for the light coming in through the hole. This light projects an image of the outside scene onto a wall or screen. An improvement is to mount a lens in the hole. Artists have used camera obscurae as an aid; the projected image can be drawn around to obtain a picture in correct scale and perspective.
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| painter's Camera Obscura in the Lexikon der gesamten Technik ca. 1910 |
