On 12/9/08, Ken Norton <ken@xxxxxxxxxxx> wrote:
> Just a note on DCRAW conversions with Oly files. When dealing with
> saturated yellows and oranges, DCRAW will tend to create a checkerboard
> pattern in the highlights. This is particularily harsh with the E-1, but I
> believe other bodies (specifically the Kodak sensored ones) will do this
> too.
>
> Rumor has it, it's because the RGBG pattern is actually reversed in the
> Olympus. Instead of RGBG, its GRGB. Inotherwords, the mapping start point
> is off in DCRAW. Initially, ACR hadthis problem.
Ken, do you have a version of DCRAW that outputs a 16-bit TIFF? I
played with UFRaw (which uses DCRAW engine) with E-3 ORF files and
liked it but couldn't get it to save in 16-bit -- 8-bit only.
Joel W.
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