camera lucida(redirected from camera lucidas)
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Related to camera lucidas: camera obscura
camera lucida[¦kam·rə ′lü·səd·ə]
An instrument having a peculiarly shaped prism or a system of mirrors, and often a microscope, which causes a virtual image of an object to be produced on a plane surface, enabling the image's outline to be traced.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.