Forum: Film SLRs and Compact Film Cameras
03-23-2015, 06:12 PM
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This is what came to my mind too. If you have one on hand, it would work great. If you don't have one the cost of getting one (unless your next door neighbor has one) would probably greatly exceed the value of the unexposed film.
In my early photography days (when I only had 1 35mm camera), I often did some of the tricks mentioned in previous posts. I would alternate between 1000 ASA/ISO and 100 ASA/ISO mid-roll (pretty frequently). I would slowly and carefully rewind until I felt (and usually heard) the leader come off the take-up spool. Then I'd take out the cartridge and write the number of exposures on the canister with a sharpie. When it was time to claim those unexposed bits of film I would load it back into the camera and advance through all the exposed frames with the lens cap on and shutter speed set at 1000.
I used this trick many times. However, it burned me badly on some of the shots that were dear to me. I was traveling abroad and probably in my frantic switching trick, I did not write the number of exposures on the canister that I rewound. Some time later when I pulled out that cartridge I didn't see any of my sharpie markings (and the leader didn't appear to have the take-up spool crease), so I loaded it up thinking that it was a brand new roll of film. When I had the rolls developed, I see some of my most precious shots all double-exposed! It was on a roll of 36 exposures.
Lesson to self - don't be too clever about trying to save or skimp on unexposed film. From that moment on, I ceased my film switching trick. I then went to 2 (or 3 in some cases) 35mm cameras. One with 1000 speed for indoor photos inside churches and museums, another with 100 or 200 for outdoor, and 100 or 400 in a cheap point-and-shoot for candids. Each camera was dedicated to one type of film for the duration of the trip.
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