chapelcross
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Posts posted by chapelcross
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Thanks for the answer/question, which hadn't occurred to me. But yes, the streaks are on certain individual frames
of strips of negatives, both black and white (Ilford FP4, Delta 400, Pan F...) and colour (Fuji Sensia, Fuji Provia).
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I've begun reusing my old (1983) Pentax K1000 recently, and find occasionally that I get streaks along one edge of
the exposed from as in this scanned example:
http://www.flickr.com/photos/chapelcross3/2744095416/
I hadn't noticed them before, and can't decide whether the streaks are a form of lens flare or reflection, or light leak.
With colour film, the streaks themselves are coloured and vaguely spectral.
The lenses I use are Super Takumar 50mm/f1.4, 105mm/f2.8, 24mm/f3.5
odd streaks on Pentax K1000 negatives
in Pentax
Posted
I've now had a chance to check the original negative and scanner, and to rescan it.
The negative itself is too dense to see the rather subtle variations by eye, so I was wrong about confirming that it was on the negative, at least for this particular frame.
As Evan suggested, the sample frame I provided WAS the end of a film strip; I haven't yet checked whether all the other cases of streaks were, too.
After sitting under weights for a few months, the negatives are flatter. A rescan yielded an image free of the original streaks, even after using Photoshop to alter grayscale significantly.
Incidentally, I use a Canoscan 4400F, which has an unimpressively delicate plastic film holder.
So - thanks, Evan; your diagnosis fits.