scioptic

Sci*op"tic, a. Etym: [Gr. scioptique. See Optic.] (Opt.) Defn: Of or pertaining to an optical arrangement for forming images in a darkened room, usually called scioptic ball. Scioptic ball (Opt.), the lens of a camera obscura mounted in a wooden ball which fits a socket in a window shutter so as to be readily turned, like the eye, to different parts of the landscape.

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