Re: Weird problem; need advice

[P3D Peter Davis <pd@xxxxxxxxxxxxx>]

Don Radovich wrote:
> I have a problem (several actually, but only one at the moment in
> stereo).  I just got back a roll of Scala film that I shot with either a
> Revere or a TDC Colorist (some pics with flash; some without) and I
> can't quite figure out how this particular "effect" occurred.  First of
> all, there are the correct number of stereo pairs in correct allignment
> from the beginning of the roll to the end.  So far, so good.  But there
> are also overexposed verticle stripes of varying width and varying
> degrees of exposure along nearly the entire roll.  The effect is almost
> like a darkroom test strip with no discernable or repeating pattern;
> sometimes an image is split down the middle with one half overexposed;
> sometimes an image is maade up of 5 or six narrow strips of alternating
> light and dark exposure.  At first I though it might be a shutter
> problem until I noticed that a few of the images are barely discernable
> double exposures.  Then I thought it might be a film advance problem,
> but that wouldn't explain the perfectly sized and spaced images that
> correctly fill the roll from beginning to end.  I probably haven't made
> this very clear, but if this sounds familiar to someone, please let me
> know.  I'd very much appreciate any help.

I saw something very similar to this on part of a roll I shot with a
Realist 3.5 that has otherwise performed flawlessly.  At the end of
one roll, I shot a bunch of pictures of a sunrise from an in in
Ft. Lauderdale, and about half a dozen or so looked like what you're
describing.  Weird vertical dark and light bands, and double
exposures.  Sometimes one image of a pair would have this problem,
while the other was fine.  Subsequent rolls of film in the same camera
have not had this problem.

I still have not figured out what could have caused this.  My best
guess would be some kind of intermittent advance problem, but I'm
really at a loss to explain it.  If you find anything out, please let
me know.

Thanks,

-pd


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                                    Peter Davis
                             http://world.std.com/~pd/

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