Camera lucida – Wikipedia, the free encyclopedia

Camera lucida - Wikipedia, the free encyclopedia

The camera lucida performs an optical superimposition of the subject being viewed upon the surface upon which the artist is drawing. The artist sees both scene and drawing surface simultaneously, as in a photographic double exposure. This allows the artist to duplicate key points of the scene on the drawing surface, thus aiding in the accurate rendering of perspective.

via Camera lucida – Wikipedia, the free encyclopedia.

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