Quote Originally Posted by Photo Engineer View Post
... I still think that if you are on the toe too far, the shadows will be lacking detail or contrast. ...
I could not agree more. This is about the most important recipe for print quality! I wish more people would realize this. Please consider my chart as the absolute minimum negative densities required.

On the other hand, I can only pick two points on the characteristic curve. Whatever happens in between is a material-dependant response to light and development.