Found 2 items, similar to Camera obscura.
English → English (WordNet) Definition: camera obscura camera obscura n : a darkened enclosure in which images of outside objects are projected through a small aperture or lens onto a facing surface
English → English (gcide) Definition: Camera obscura Camera obscura \Cam"e*ra ob*scu"ra\ [LL. camera chamber + L. obscurus, obscura, dark.] (Opt.) 1. An apparatus in which the images of external objects, formed by a convex lens or a concave mirror, are thrown on a paper or other white surface placed in the focus of the lens or mirror within a darkened chamber, or box, so that the outlines may be traced. [1913 Webster] 2. (Photog.) An apparatus in which the image of an external object or objects is, by means of lenses, thrown upon a sensitized plate or surface placed at the back of an extensible darkened box or chamber variously modified; -- commonly called simply the camera. [1913 Webster]