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Re: Preflashing film


  • From: T3D Greg Erker <erker@xxxxxxxxxxxxxx>
  • Subject: Re: Preflashing film
  • Date: Thu, 22 May 1997 13:16:05 -0600

Eric wrote:
>Actually, you would want the flash exposure to be the first exposure or
>the "pre-exposure." I suggest you check out the very useful methodology
>outlined by Adams in his book "The Negative" available in most libraries
>and in hardcover or paperback. The long and short of it is that you need
>both the right quantity and quality of light for this pre-exposure,
>quantity being arrived at a fairly simple emperical method...

  I was thinking that it wouldn't matter if it was
before or after. Either way you are getting more light
in the shadows. But I guess that pre-flash sensitizes
the film so that it records the shadow detail more
faithfully than without (ie detailed vs black shadows).

  Correct?

Greg



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