flip
良かったね！
I recently started to roll my own film. HP5 and Arista 200 onto plastic cassettes. Coincidentally, I took a trip to the States during which I shot a roll of each. Upon return, I developed those rolls, another roll from the HP5 spool, and some store-bought B&W. Intriguingly, the two rolls brought to the states showed banding at irregular distances throughout the roll. Wasted film. Disappointment aside, I have tried to track this down.
Since I developed another HP5 roll shot the other night (and some film right off the spool) just fine, I know that that spool is OK as is the loader. Same camera - m3 - so that is ok. Basically, I figure, I'm down to these potential causes:
A - somehow, changing lenses introduced light into the film. I rather doubt this as the bands extend beyond the frame of the shot.
B - Xrays at the airport are not as safe as they claim (they say under ISO 1600 is fine).
C - I had some darkroom process light leak, or I had a temporary light leak in the loader.
The bands are spaced about 5 to 9 cm apart, ~1cm wide, and show as dark areas on film (exposed).
Bummer that I lost the rolls - some shots are still usable - but I'm taking it in stride as my dev process (Xtol, Pyro HD) seemed to go as smoothly as in high school 18 years ago. Just curious what happened so I can be more careful.
Phil
Since I developed another HP5 roll shot the other night (and some film right off the spool) just fine, I know that that spool is OK as is the loader. Same camera - m3 - so that is ok. Basically, I figure, I'm down to these potential causes:
A - somehow, changing lenses introduced light into the film. I rather doubt this as the bands extend beyond the frame of the shot.
B - Xrays at the airport are not as safe as they claim (they say under ISO 1600 is fine).
C - I had some darkroom process light leak, or I had a temporary light leak in the loader.
The bands are spaced about 5 to 9 cm apart, ~1cm wide, and show as dark areas on film (exposed).
Bummer that I lost the rolls - some shots are still usable - but I'm taking it in stride as my dev process (Xtol, Pyro HD) seemed to go as smoothly as in high school 18 years ago. Just curious what happened so I can be more careful.
Phil
ChrisN
Striving
Surprised no one has answered this question. Your description sounds very much like xray damage. "they say under ISO 1600 is fine" - they lie.
I love film but I think if I had to fly anywhere these days I'd have to opt for digital.
I love film but I think if I had to fly anywhere these days I'd have to opt for digital.
Finder
Veteran
If the film was in your checked luggage, then X-ray damage is the cause. If your film was in your carry-on, then it is something else. Perhaps you can scan the film, including edges, and show us.