1. The limiting factor is the paper.
2. Most papers will hold about a 7 zone (or stop if you want to call it that) range of tones. The rest is black and white.
3. An incident meter will provide an exposure to render middle gray as middle gray only if you have previously tested your meter to provide a proper exposure called the speed point that is a certain amount about film base plus fog. (You need a rock to stand on).
Last edited by kevinjk; 03-25-2013 at 02:31 PM. Click to view previous post history.