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Re: [OM] ( OM ) Definition of digital images

Subject: Re: [OM] ( OM ) Definition of digital images
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Thu, 13 Aug 2009 08:31:20 -0400
I think there must be some miscommunication here.  When red, green and 
blue coincide you get... gray.  What we perceive as sharpness is caused 
by strong contrast along edges.  Causing things to "coincide" seems to 
be the antithesis of contrast.  You might want to ask again.

Chuck Norcutt


Brian Swale wrote:

> 
> I discussed this with the guy who runs the photo lab at he camera shop I 
> use. He has also been a professional photographer in a former life, shooting 
> Hassys.
> 
> He said he doesn't like to use the 'sharpen' tool at all, but shoots RAW and 
> 'sharpens' his images by making the red, blue, green curves coincide. At 
> least that is what I think I heard him say.
> 
> Brian Swale. 
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