Word: lensman
(lookup in dictionary)
(lookup stats)
Dates: all
Sort By: most recent first
(reverse)
...Lensman Valentine's invention has not been patented and he did not disclose exact technical details. But film executives who viewed his work pronounced it good. Heart of the device is a prism composed of two paper-thin sheets of glass fitted together at a 45° angle. This is inserted behind the camera's lens, works something like the binocular vision of human eyes. The illusion of roundness goes onto the film so that no special projector equipment is necessary and spectators do not have to wear stereoscopic glasses...