Sci*op"tic (?), a. [Gr. ? shadow + ?
belonging to sight: cf. F. scioptique. See Optic.]
(Opt.) 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.