I feel rather embarassed having to ask this, because a few years ago I knew the answer. I guess that working in a darkroom isn't like riding a bike - you do forget. I've just developed three rolls of negatives, I used fresh chemicals for each (I did them days apart, and don't like to keep the stuff once mixed), was very fastidious about temperature and quantity of chemicals, followed the rules to the letter and all three rolls have come out very thin. Very little black on them at all. After the first roll I thought it was the camera because it was the first time I'd used a fully manual camera, but I used a light meter and all three rolls are the same, from three different (old, manual) cameras. I do remember that I either need to adjust the shutterspeed/apperture on the camera, or do something different in the processing. I used to have this problem - I obviously miscalculate something though I've never established what, and I changed the developing time which cured the problem, but I just can't rememebr if I need to increase or decrease the time? Also, (whilst I'm here making a fool of myself) to deveop really thin negs, am I right in thinking that I need to stop the enlarger down more than ususal, and boost the contrast with the magenta filter to avoid really grey looking prints? I am planning on re-shooting the images that I think might be decent, but I want to see what I can make of the 'ruined' negs first. Help!