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| p.4 #2 · Sony A7R sensor gets high scores from DxOMark |
The magic is in "noticeable difference". I'll short that to JND from here on to abbreviate.
Your sample is a regression sample - if 90 isn't a JND from 80, and 80 isn't a JND from 70, and 70 isn't a JND from 60, and 60 isn't a JND from 50 - does that mean that 50 isn't a JND from 90 No, not really...
The thing with color is that it isn't something you can put "one number" on. That's almost impossible in theory, and definitely impossible in practice.
Two cameras can have the exact SAME score, and behave quite differently.
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Actually, I don't see we have disagreement. (That 6D, 5DIII sample is kind of humor...)
Especially on this SMI number. My point was: since we can't rely on significance of this number, I don't think we can use 20 as a threshold. and at the same time think 5 or 10 is irrelevant.(not talking about 1 or 0.5) 5 point won't tell whole story about how sensor render sky, leaf or skin, but the number certainly can tell which camera require more fussy with profile to get color match human eyes overall...
there has to be some objective number in score... hence this SMI# right? and it seems did a good job indicate which camera is better or worse.
Without mess around profile to deal different lighting condition, WB, I can get much consistent results over condition. Especially for people nonprofessional, not well "trained", or not skill enough (like me,) at least I can get more consistent results.
I don't see we have many disagreement on this topic in this thread so far at all, other than: all modern camera behave similar on this, this is obviously not true. At least the effort to bring out decent color will be significant different even with strong PP skill.