I just got done pledging to help anyone wishing to explore these techniques. Now it is a bit late. Christmas Eve is coming and I have to make some prints. I would like to refer you to this article.

It is the article that got Ansel Adams excited.

John L. Davenport and the Zone System

http://www.apug.org/forums/viewpost.php?p=1250772

Can you think of any better way to start thinking about the Zone System?