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camera obscura |
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camera obscura
a darkened chamber or small building in which images of outside objects are projected onto a flat surface by a convex lens in an aperture camera obscura [¦kam·rə əb′skyu̇r·ə] (optics) A primitive camera in which the real image of an object can be observed or traced on the wall of the enclosure opposite the aperture, rather than being recorded photographically. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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