A famous example of this technique is Weegee's photos from a movie theater. You can tell infrared film was being used by looking at the subjects' eyes. http:/

A famous example of this technique is Weegee's photos from a movie theater. You can tell infrared film was being used by looking at the subjects' eyes. http://www.slate.com/blogs/behold/2015/01/19/weegee_captures_new_york_moviegoers_in_the_1940s_in_photographs_from_the.html http://www.slate.com/blogs/behold/2015/01/19/weegee_captures...