Why is bromine used in camera film?

Answer 1

bromine is a chemical element that has reaction with light. we use camera lens to reflect a picture of the scene we want to capture, the reflected picture we put it on the film with absence of any other light the only light we want to place to the film is the reflected light from the scene on front of camera, lenses reduces picture to be like the films size, finally when the reflected light take it's position on the film for a moment, the picture is printed to the film, the camera closes the port which makes the light enter to the film

Answer 2

Bromine is used in camera film to help control the sensitivity of the film to light. It is a key component in the emulsion layer of the film, where it helps regulate the speed at which the film reacts to light, resulting in more accurate and detailed images.