It started 2 months ago, when I developed and printed some negatives I took in my recent trip to Italy.
Especially in the skies, I had noticed some banding which I quickly attributed to X-rays.
Then, I shot some negatives here at home and the same thing happened. These banding in the prints is barely visible, but of course makes the print non usable.
So, I thought is the camera. I thought that the curtain of the Speed graphic I was using was getting really thin in some areas and I assumed this was causing the streak.
I used a "new" speed graphic.
I didn't notice anymore streaking, but this is probably due to the fact that the images didn't include any skies.
Today I looked at some freshly developed and dried negatives and by chance I noticed that the side opposite to the emulsion, shows this streaking again.
It is as if there is some difference in "density" in the back side to the emulsion, almost a fog.
It is puzzling, upsetting, since these are images I really liked, and so the detective work begins, now.
One clue, that might be the reason of the problem, is probably the developing tray, which has a lot of dried up residue.
But this also doesn't feel true to me since the ridges of the tray are far more apart then the markings in the negatives.
Moreover the banding is not sharp but its edges are diffused and very regular in its length.
I would appreciate any input.
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