How do Developers Work? Before you can get into the actual developers, we should recap how developers and black & white film photography works anyways. We’re going to put on our lab coats and try to explain this process as simple as possible. Black & White film is made up of individual crystals, the crystals are known as silver halide (2Ag+Br–) is made up of a positive silver ion and a negative bromide ion. These crystals while theoretically would be perfect, in reality, there are small imperfections in each crystal. The crystals are naturally light sensitive, however, when they are bombarded by photons (light) theRead More →