Crop Factor, Low Light and Aperture with m4/3 lenses? Part 2

Started Jun 16, 2014 | Discussions thread
Sergey_Green Forum Pro • Posts: 11,920
I am not sure I read it correctly ..

knickerhawk wrote:

If we throw out the higher resolution sensors and adjust for the many more tested combinations, the number is much smaller than 368, but the problem doesn't end there. The dxo lens score isn't equivalence based. For instance, the highest score for the Nikkor 24-70mm f/2.8 on a 16mp Nikon body is 25 and the highest score for the Oly 12-40mm f/2.8 on a 16mp m43 body is 20. Looks like the Oly lens is inferior to the Nikkor by a significant margin, doesn't it? But look what happens when we set the respective dxo score maps at equivalent aperture settings:

Or if it is clear at all. Are you saying at equivalent (stopped down) aperture 24-70/2.8 will do worse, or that 12-40/2.8 when opened up "more" will perform even better? Can you please clarify what you are saying here?

That tells a rather different story than the basic score, doesn't it?

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- sergey

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