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Infrared dilemma

  • From: WRG5534@xxxxxxx
  • Subject: Infrared dilemma
  • Date: Sun, 10 Nov 1996 14:14:14 -0500
I've run into a situation that I don't understand.  Using Konica IR rated at
ISO 32, with a #25 red filter, and a polarizing filter, all of my shots came
out great.  Now, while using a 20mm lense, the frame corners are all clipped,
resulting in a round exposure. This only happens with IR film.  Could it be
that the extra filter at the front of the lense be the problem?  Or has it
something to do with the thickness of the film? Willard Gill

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Topic No. 3