Rattymouse, if you haven't had a chance to do so yet, you might want to have a look at post 7 by jimjm on the thread "Various Questions On Exposure, currently on page 2. He has included examples of under/correct/over exposure and development in the form of pics of a face which is 50% negative and 50% positive. A useful tool when comparing any negs in order to decide where they fit in the grid of under/correct/over exposure and developing
Mike
Mike