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Re: [OM] picture link

Subject: Re: [OM] picture link
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Wed, 24 Jun 2009 06:15:25 -0400
Yes, it works for me but how did you do it?  I had to use CA correction 
tools from ACR or PTLens applied separately to both horizontal and 
vertical orientations.  But I still didn't get the degree of correction 
you attained.  On the other hand I wasn't working at 200%.  Is that the key?

Chuck Norcutt

Moose wrote:
> Ken Norton wrote:
>> CA is not the same as "Purple Fringing". 
> 
> 
> Oh-oh, agreement. ;-)
> 
>> Two seperate issues. This one looks more like CA, but I suspect that it is 
>> still in-camera processing related because it's a hard Red/Cyan artifact.  
>> Red on one side of a dark-light transition and cyan on the light-dark 
>> transition   Seeing that it is bidirectional, I'm leaning towards  
>> sensor-processing and not lens optics.
>> But, yet, it could be lens optics.
>>   
> 
> Well, I'm not sure of the cause, but the cure is pretty easy. I enlarged 
> the crop to 200% for display to make the effect easier to see. 
> <http://www.moosemystic.net/Gallery/tech/Process/ColorFringe/ColorFringe.htm>
> 
> Is this the same thing you were talking about, Chuck. Does the solution 
> work for you?
> 
> Is this what you were talking about, Dawid? From the way you described 
> it, I was expecting something much less subtle.
> 
> Wayne, could you show me where the the magenta/green is located?
> 
> Moose
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