I think EDR just gives you a bit more room on each end of the
histogram. It will record slightly more shadow detail and slightly
more highlight detail. Accurate metering is obviously an advantage
regardless of the dynamic range. I use EDR all the time. I haven't
done any real comparisons, but I'm pleased with the results.
Paul
On Sep 16, 2008, at 11:28 AM, Joseph Tainter wrote:
> If anyone is interested, I just had the following exchange with Pentax
> USA concerning metering for Expanded Dynamic Range on the K20D. My
> original question is at the bottom.
>
> Given this answer, for EDR to work the camera must somehow anticipate
> how the histogram will distribute even before taking the image. Is my
> reasoning here correct?
>
> How would this be possible?
>
> Comments or thoughts?
>
> Thanks,
>
> Joe
>
> ------------------
>
> Dear Sir,
> Thank you for contacting Pentax.
>
> The metering method will not effect the dynamic range option. You can
> use any of the metering options the camera has while expanding the
> dynamic range.
>
> {snip...}
>
> Sincerely,
> Michael C
> Pentax Imaging Technical Support
>
> Your Email:
> Hello. My question concerns using the Expanded Dynamic
> Range feature on the K20D. Does this feature require one to use
> multi-segment metering? Or will it work with center-weighted averaging
> (which I normally use)?
>
> Thank you,
>
> Joseph Tainter
>
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