Quote Originally Posted by jensenhallstrom View Post
How exactly do you control contrast during processing?
More time, higher temperature, and extra agitation all will increase the contrast.

Less time, lower temperature, and reduced agitation all reduce contrast.

You can adjust each variable individually or adjust them all, one at a time is easier to learn things from.

Here's an artical for a start on adjusting a curve. http://www.apug.org/forums/forum216/...-negative.html