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Re: polarizing filters with b&w infrared

  • From: JoePaduano@xxxxxxx
  • Subject: Re: polarizing filters with b&w infrared
  • Date: Thu, 31 Oct 1996 09:09:27 -0500
Russ-- The dark sky result is due to a red or infrared filter absorbing blue
light to which infrared film is sensitive. It has nothing to do with the
addition of a polarizer which will not block blue light.
                                                                 joe

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Topic No. 6