Originally Posted by PeterB
You are comparing substantial overdevelopment (which also distorts the curve) to underdevelopment on the graph (development time for normal contrast is 7 3/4 min). A more appropriate comparison would be the bottom two curves. The lowest curve has lower contrast, and more compression of shadow detail too. Curves are not absolutes either. Changing the developer or agitation can change where the shouldering starts.
You also need to use a curve for the right film. If there is highlight compression on this curve with normal development it is because you exposed past the straight line, which is not what you said in your original post.
Last edited by Michael R 1974; 05-28-2013 at 08:51 AM. Click to view previous post history.