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Re: Questions RE: Old, poorly stored film & B+W filter's IR Cmnt

  • From: George L Smyth <GLSmyth@xxxxxxx>
  • Subject: Re: Questions RE: Old, poorly stored film & B+W filter's IR Cmnt
  • Date: Tue, 30 Jul 1996 16:40:40 -0400
Adam-HALPID Klyce wrote:
> 
>      ...The impressive special "wood-effect" (very bright to white
>      reproduction of chlorophyll in black and white positive images)
>      appears the strongest at low sun angles. 

The white you see is not due to chlorophyll.  Chlorophyll is transparent
to infrared radiation.  What you are seeing is the reflection from the
cells, which is enhanced by air spaces within the cellular structure.

george

-- 
 Handmade Photographic Images     
  http://www2.ari.net/glsmyth

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Topic No. 14