Source: http://www.photoblog.hk/wordpress/24662/
It was modified from a real gun by the Japanese traffic police back to 1954, the purpose of it was to shoot with one hand and steadily! Clever design, I have to say.
But then there was a real gun which looked like a camera by the CIA in 1966. Well, it was modified from an Asahi Pentax Reflex! Oh yes, it was the big