If there is the closest thing to a universal developer in the film photography world, that developer is Diafine. If you’re thinking, “Wait, aren’t all developers universal?” You are right; a B&W developer will develop many different film stocks. But it doesn’t often happen that two other film stocks, shot at different speeds, can be developed simultaneously. There are some examples of cross-over, but only a few. Diafine uses three main development times and a couple of unique combinations. These are shared across many different film stocks that allow you to develop multiple rolls shot multiple ways in the same tank. You can also shootRead More →