then its definately NOT CA.
CA presents itself as a difference
in magnification of the R/G/B
images but when you look at the
center this difference is nearly
zero even with HUGE CA in a lens.
What that is, I dont know, but
it cant be CA because if it was,
there would be an impossibly large magnitude of
CA in the corners.
jco

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Brendan MacRae
Sent: Saturday, April 14, 2007 3:05 AM
To: Pentax-Discuss Mail List
Subject: RE: Full frame lenses and the K10D, CA anyone?


It's a 100% crop from nearly the dead center of the
image.

-Brendan
--- "J. C. O'Connell" <[EMAIL PROTECTED]> wrote:

> IS THIS A 100% CROP AND WHAT PART OF THE
> FRAME WAS IT TAKEN FROM? CENTER/EDGE/CORNER?
> JCO
> 
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of
> Brendan MacRae
> Sent: Saturday, April 14, 2007 12:53 AM
> To: Pentax-Discuss Mail List
> Subject: RE: Full frame lenses and the K10D, CA
> anyone?
> 
> 
> http://www.primelensphoto.com/CA.jpg
> 
> This is the reddish fringe I have in more than a few
> shots. However, I also have the more typical purple
> fringe in this shot as well, complicating the fix,
> as
> it were.
> 
> -Brendan
> --- David Savage <[EMAIL PROTECTED]> wrote:
> 
> > At 12:24 PM 14/04/2007, Brendan MacRae wrote:
> > >Rob says it's sensor blooming. All I know is that
> > some
> > >call it, rightly or wrongly, CA. Whatever it's
> > called,
> > >I just want it to go away.
> > >
> > >;-]
> > 
> > 
> > If you can post a 100% crop sample of what it is
> > your talking about we can
> > all help to determine exactly what it is and a cure/treatment.
> > 
> > Cheers,
> > 
> > Dave
> > 
> > 
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> > 
> 
> 
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