Whateverist
Well-known
I've done some nighttime shooting and just developed the film. On a roll of decent frames are two shots, both of the same building, that show nothing but a dark (so positive-bright) smudge, like a giant flare over the frame. Film is Fomapan 400. It's not a dev error as the shots before and after are fine, and I definitely shot the building. What happened?
p.giannakis
Pan Giannakis
I am not sure what to suggest. Can you post a pic to see what you mean?
sevo
Fokutorendaburando
For example, a light leak, exposure error or flash reflection.
Whateverist
Well-known
I am not sure what to suggest. Can you post a pic to see what you mean?
Yeah, a picture'll probably work better. The film's drying, I'll try to get a scan up tomorrow.
mpaniagua
Newby photographer
How long was the exposure? probably camera moved when exposing?
Regards.
Marcelo.
Regards.
Marcelo.
Whateverist
Well-known
I snapped a pic of the negative before going to work just now, scans will follow:

tunalegs
Pretended Artist
What kind of camera? If it is a leaf shuttered camera, looks like the blades didn't close completely.
Whateverist
Well-known
What kind of camera? If it is a leaf shuttered camera, looks like the blades didn't close completely.
Leica IIIa, focal-plane shutter, serviced recently.
maddoc
... likes film again.
Leica IIIa, focal-plane shutter, serviced recently.
Possibly coll. lens not extended?
Whateverist
Well-known
Possibly coll. lens not extended?
That actually sounds plausible.
Jockos
Well-known
As a former coll. 'cron owner, I second this opinion :bang:Possibly coll. lens not extended?
sevo
Fokutorendaburando
Seeing that it is not just a central part of subject that got covered by a flare, but a more or less circular entirely out-of-focus picture, it is either that - or he entirely forgot to put a lens on...
Jockos
Well-known
I tried that as well; the whole negative was completely black (as in exposed) and it also had severe light bleed into the adjacent frames!Seeing that it is not just a central part of subject that got covered by a flare, but a more or less circular entirely out-of-focus picture, it is either that - or he entirely forgot to put a lens on...
peterm1
Veteran
What makes a building vanish?
I am tempted to be glib and say this works pretty well.
https://www.youtube.com/watch?v=LOWK72i8bCU
Oops that was naughty.
I am tempted to be glib and say this works pretty well.
https://www.youtube.com/watch?v=LOWK72i8bCU
Oops that was naughty.
sevo
Fokutorendaburando
I tried that as well; the whole negative was completely black (as in exposed) and it also had severe light bleed into the adjacent frames!
In low light conditions at sufficiently short shutter times you can get exposed frames like the example, if the illumination is mostly from point light sources that cast shadows of the mount neck onto the film. Best visible on early AE SLRs, which adjusted the exposure properly even when the lens is missing.
Whateverist
Well-known
in this case the lens was definitely on, but in all likelihood I collapsed it after the last shot and forgot to extend it.
sepiareverb
genius and moron
As a former coll. 'cron owner, I second this opinion :bang:
And a third.
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