camera obscura(redirected from camera obscuras)
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A darkened chamber in which the real image of an object is received through a small opening or lens and focused in natural color onto a facing surface rather than recorded on a film or plate.
(Art Terms) 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. Sometimes shortened to: camera
[New Latin: dark chamber]
cam′era ob•scu′ra(ɒbˈskyʊər ə)
n., pl. camera ob•scu•ras.
a darkened boxlike device in which images of external objects, received through an aperture, as with a convex lens, are exhibited in their natural colors on a surface.
[1660–70; < New Latin: dark chamber]