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01-17-2014, 03:44 AM   #46
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QuoteOriginally posted by falconeye Quote
So, in summary, the DxO scores do make sense but are incomprehensible to normal photographers.
Thank you. I have stopped looking at DxO scores because they didn't make sense to me. Your explanation has cleared that up.

But then, I think I will still be happier just shooting without worrying about the scores. The results will show me the (real life) limitations of a lens anyway.

01-17-2014, 04:08 AM   #47
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QuoteOriginally posted by Cynog Ap Brychan Quote
That has always puzzled me about the DxO tests: we know that an f1.4 lens is going to transmit a lot more light than an f4 version. So why factor this in to the score in such a fashion? Surely a more meaningful measure would be a score based on how much the actual transmission varies from the stated maximum aperture? Or is it just me?
But not all f1.4 lenses have equal light transmission. The difference isn't huge between the t stop and f stop, but it can exist.
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