Archived posting to the Leica Users Group, 2006/11/17

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Subject: [Leica] Fix for dng file in adobe/light room_PS
From: faneuil at gmail.com (Eric Korenman)
Date: Fri Nov 17 04:21:31 2006
References: <7.0.1.0.2.20061113075814.0259db38@infoave.net> <535C1F82-BF8D-420C-9735-EBF352291890@verizon.net> <82c9dd70611141209g7f9788c5i288cb80b76c350f8@mail.gmail.com>

I purchased a Macbeth colorchecker and ran the calibration script with my
DMR.
It took 30 minutes run with the smallest image- this normal?

Color calibration in reds and blue seems good, but the greens were way over
saturated.
I will play some more with it today.

Any tips?

Eric


On 11/14/06, Eric Korenman <faneuil@gmail.com> wrote:
>
> Just bought a Macbeth colorchecker card.
> I will run the script with my DMR and post results.
>
> Eric
>
>
>  On 11/14/06, Carl Muckenhirn <carlmuck@verizon.net> wrote:
> >
> > Tina,
> >
> > This is probably to be expected given what I read about the "magenta
> > blacks". It appears that the chip is very good at collecting red
> > light, raise the ISO and it is collecting more of all light, but
> > doing the reds more efficiently, hence warmer.
> >
> > With the script that Roy sent you can now have setups for each ISO!
> > So now we've some new films- M8/160, M8/320, M8/640 ...
> >
> > It would be an interesting exercise to see which real films match up
> > to the various settings.
> >
> > carl.
> >
> > On Nov 13, 2006, at 8:00 AM, Tina Manley wrote:
> >
> > >  LUG:
> > >
> > > One thing that I've noticed with my MacBeth color chart shots and
> > > confirmed looking back at previous M8 shots - there is a drastic
> > > color shift when you switch from 320 ISO to 640 ISO.  160 and 320
> > > look pretty neutral but 640 and higher are much, much warmer.  Has
> > > anybody else noticed this?
> > >
> > > Tina
> > >
> > > Tina Manley, ASMP, NPPA
> > > http://www.tinamanley.com
> > >
> > > _______________________________________________
> > > Leica Users Group.
> > > See http://leica-users.org/mailman/listinfo/lug for more information
> > >
> >
> >
> > _______________________________________________
> > Leica Users Group.
> > See http://leica-users.org/mailman/listinfo/lug for more information
> >
>
>

In reply to: Message from images at InfoAve.Net (Tina Manley) ([Leica] Fix for dng file in adobe/light room_PS)
Message from carlmuck at verizon.net (Carl Muckenhirn) ([Leica] Fix for dng file in adobe/light room_PS)
Message from faneuil at gmail.com (Eric Korenman) ([Leica] Fix for dng file in adobe/light room_PS)