You can also view previously answered questions in the HSW Question Archive . Answer Instant camera film is remarkable because it has its own built-in developing studio. To understand how this works, you need to understand the basics of traditional photographic film .
Film is a plastic base coated with particles of silver compound that are sensitive to light .
When you expose the film, the sensitive grains at each layer react to light of that color, forming metallic silver at that layer. This gives you a chemical record of the light and color pattern. To turn this into a picture, you have to develop the film. One developer chemical turns the exposed particles into metallic silver. The film is then treated with three different dye developers containing dye couplers .