Who cares? With my istDS,I quickly discovered the camera's
LCD is of very high contrast such that if you shoot and adjust
for a good middle exposure on the LCD, the RAW itself will be even better
exposed to make custom JPEGS later from the RAW files adjusted by
the test exposure LCD images.

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-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of
David Parsons
Sent: Sunday, June 06, 2010 10:04 AM
To: Pentax-Discuss Mail List
Subject: Re: Sensor native color balance setting?


I don't see how color balance would make the JPEG and RAW match.  The
presets in the camera are what modify the JPEG file; sharpness, saturation,
etc.  If you set all the in-camera controls to neutral, they will be close
enough most of the time.

Where you will see a difference is at the far right side of the histogram
where highlights clip.  Because the JPEG only has 256 levels, and RAW has
4096, the JPEG will show clipping far sooner than RAW will.

If you really wanted an accurate histogram (there's not much point of
matching JPEG to RAW histograms when they have different amounts of data),
you'd need to generate the histogram off the RAW data instead of using the
JPEG preview.

On Sun, Jun 6, 2010 at 2:50 AM, Larry Colen <[email protected]> wrote:
> The problem with the histogram is that it shows the exposure of the 
> jpeg, not of the raw sensor.
>
> It seems to me that if you set the camera to the sensor's raw color 
> balance, then the jpeg and the raw file histograms would match.
>
> Anybody know what that setting would be?
>
> --
> Larry Colen [email protected] sent from i4est
>
>
>
>
>
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