IQ of 7d w 15-85mm Vs 6d w 24-105mm?

Started Mar 8, 2013 | Questions thread
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Re: 24-105mm rated 50% better than 15-85 at dxo
In reply to qianp2k, Mar 11, 2013

qianp2k wrote:

TDP uses only one sample to do the test under unkown controlled evnironment. DXOMark's test is more scientific and accurate in general that shows 24-105L at 24mm is sharper thane 15-85 at 15mm side.

no it isn't, except if you only look at the image center. In the many images that I have seen, the 24-105 is way behind the 15-85 in the corners at 24mm equiv., except maybe stopped down to f/11 or so. Again, one can throw around numbers from DXO or TDP, but I'd rather trust my own eyes with real life pictures.

Two more samples of 24-105L at 24mm side

those are scaled down crops that prove nothing.

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