Examples from the Web for camera obscura
It turned out that his soul was only a camera-obscura that reflected the outside world with all its mud and pigs.Stories and Pictures|Isaac Loeb Peretz
Sir Isaac Newton divided a sunbeam into its seven component parts, and re-constructed the camera-obscura.
Pictures in the camera-obscura could be, not only seen, but caught and retained.
It was like looking into a camera-obscura—you saw faces shining and speaking.Old and New London|Walter Thornbury
And yet, and yet; what if the darkness that envelops Him be the darkness of the camera-obscura?Faces in the Fire|Frank W. Boreham