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normal looking image. If you expose skintones at 70% then
the image will be a touch flatter. If you expose skin tones at
60% the image will be more contrasty.
Personally for a more film like look, I really like the results you
get when you expose skin tones in the 60 to 65% range. But
you should experiment for yourself with different exposure
levels to see what suites your shooting style and the look you
wish to achieve.
L. Gamma Settings In Custom Mode