(dated) Of or relating to an optical arrangement for forming images in a darkened room.

The art or process of exhibiting luminous images, especially those of external objects, in a darkened room, by arrangements of lenses or mirrors.

The lens of a camera obscura mounted in a ball that fits a socket in a window shutter so as to be easily turned, like the eye, to different parts of the landscape.

plural of scioptic ball

A kind of magic lantern.

plural of sciopticon