How Green Screen Compositing Worked Back in the Days of Film
Before the days of digital magic, people had to rely on clever film techniques and chemical processes for “green screen” (or chroma key) compositing. Tom Scott created the short video above that provides a quick overview of the techniques that were used.
These videos are focused on the world of filmmaking, but many of the ideas and techniques discussed were used through the history of photography as well.
(via Reddit)
Discussion