Category: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.