Greetings
On several sheets of film I am experiencing a double image, as though I intentionally made a double exposure, but just slightly out of registration. The attached image is a small section of a 4x5 sheet of film; a very long exposure (5 minutes) photographing bright streetlamps at night. The camera did not move during exposure, the holder was seated and locked in properly. The holders were loaded in a relatively dry, heated environment, and exposed at the beach where it was cold and humid, so I am thinking this difference in temperature and/or humidity made the film move slightly during the exposure?
I've been using a view camera since 1987 and have never experienced this. Any input would be appreciated. Thanks.
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