Quote:
Originally Posted by DavidTrap
Not sure why, but it would appear that ISO values aren't equivalent between manufacturers. Greg mentioned this in his presentation at AAIC - something about how it is measured.
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The DSOMark site measures ISO against stated camera settings and it neever seems to be spot on. Even the amount it differs for each ISO setting on a single camera is non-linear. Very good site to get info on measured comparisons.