I would like to know what causes the blotches on my negatives. The first picture of headstones was taken a I was restoring the camera and learning many of the errors of view camera photograph. I tray developed this negative and as you can see, there is considerable number of dark areas. The second photo of my back yard is more recent and developed in a developing tank. It still shows the dark areas. So, my question is. Is this figure prints, lack of fixer time, light leaks, or some other gremlin?