Quote Originally Posted by Stephen Benskin View Post
You qouted the definition yourself, "Each single value represents a range of grays slightly darker and slightly lighter..."

And I am attempting to explore the deeper detail that wasn't in the book. Actually, I'm attempting to illustrate conceptual implications and not define a specific set of reflection densities.
Ok, I thought so, but I wasn't sure if I was on the same train of thought that you were getting at.