DxOMark's measured ISOs vs. manufacturer ISOs

Started Mar 13, 2013 | Discussions thread
ultimitsu Veteran Member • Posts: 6,650
Re: DxOMark's measured ISOs vs. manufacturer ISOs

Just so we do not waste time beat around the bush. In iso 6400 test images, Pana G3 and OMD  used the same lens (oly 50mm prime), both shot at F6.3, G3 1/2500, OMD 1/1600. that is a very significant 2/3 stop more light for OMD.

I know DPR insist that they cannot ensure lighting is the same for every shot. but I would guess the difference is in any case minimal. and the variation of exposure in DPR's images coincide with Imaging Resource too.

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