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Re: Wratten #12 gel filter in 67mm diameter


  • From: Joe Berenbaum <joe-b@xxxxxxxxxxxx>
  • Subject: Re: Wratten #12 gel filter in 67mm diameter
  • Date: Fri, 11 Jul 1997 19:33:14 +0100 (BST)

At 10:24 11/07/97 -0700, you wrote:
>Hi group,
>A basic question on how to use the Wratten #12 Gel with Konica 120 IR >film.

I'm just wondering if this is what you really want to do. A Wratten #12
(dark yellow) filter is the recommended filter for Infrared Ektachrome,
which is a colour slide film, not for Konica Infrared black and white film;
the filters recommended in the instructions for the Konica film are orange
or red, and most people seem to use red or dark red.

Joe Berenbaum

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