DXOMARK.com, did you notice

Started Jan 28, 2014 | Discussions thread
DonSC Senior Member • Posts: 1,032
DXO scores are like MTF charts

in that they're mostly useful for comparing similar things. For MTF charts you can't use the charts across companies. For DXO scores you have to use the same size sensor.

For example, with sensors are of different sizes, where do you stand? To give equivalent FOV you need to stand further away with the smaller sensor. But that's a disadvantage. If you stand at the same spot with different FOV then the larger sensor camera is at a disadvantage. There simply isn't any perfect way to make the comparison.

I think they try their best. It's just not that easy.

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