Had this problem twice now
Modern Lisco holders, Ilford HP5 8x10, camera has new bellows, no other frames from same setup had the problem
First time only this frame
Looks like light leak and the film shifted in the holder, see red arrows
Also the top is way out of focus where the bottom stayed in focus, this seems to mean the film wasn't seated properly (again all other frames had no problems, all in focus, nothing changed between exposures).
On this shoot I exposed both sides of every holder but only 1 sheet had a problem
THEN
on this shoot I got 2 sheets with MIRRORED leaks
mostly identical problems to first shoot, leaks, out of focus at top, apparent double exposure of rebate edge, but this time mirrored on both sides of a holder
I've done an inspection of all the holders used and can see no problems.
I did have 2 different inexperienced interns on the shoots, perhaps they mis-handled a holder somehow? Grabbed one by the middle or top instead of the sides? Could something like that cause a leak by the light trap and move the film enough to shift out of its seat?
The HP5 does shift a tiny bit in the holders but not enough where I can easily get it to come out from under the rails.
Ideas?
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