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Re: [OM] Incidental Zone System Thoughts

Subject: Re: [OM] Incidental Zone System Thoughts
From: "Brian Swale" <bj@xxxxxxxxxxxxxxx>
Date: Fri, 16 May 2003 21:10:58 +1200
Hi Folks,

Walt wrote
> (2) About the only part of the Zone System with any real practical 
> application when shooting color, and again particularly 
> transparencies, is an occasional tiny bit of pre-exposure to raise 
> the value of the shadows in especially contrasty scenes, like in 
> some sunlit landscapes and such.
> 
> As always, just my opinions, of which I have many.
> 
> Walt
Well, that confirms what I worked through in my mind some months ago 
when it was ( if I recall correctly), when Rich <Doggre@xxxxxxx> asked how 
he could get more detail in the shadows when shooting (slides?) on a sunny 
day, and I suggested setting the asa on the camera at ?1600 or something 
fast, and taking a shot through a diffuse opaque white piece of plastic in 
front 
of the lens (ie; nothing to see but exposes very slight white in the negative), 
then re-wind and take the (double-exposure) shot you want to.

Should end up a little like increasing the light level in the shadow when using 
 one of Adobe's fine second-line products.

The Bowens Illumitrans does this at the same time as copying a slide - but it 
does it simultaneously using mirrors.

Brian

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