dtaylor said:Go take a long, hard look at jrista's processing of the infamous 5D3 vs. D800 online test.
Ker-ching! The correct answer. And it's possible to do a much better job than he did of the Canon files.
DxO claims that there is a 2.5 stop DR difference between these two cameras. If that were the case then that door and those tiles in the far back should be BLACK. No detail or image at all in those regions, just blocked up shadow.
Precisely. DR is about where the shadows block up into no detail - not about how much noise there is in the shadows. We have no problem with the equivalent definition at the other end of the histogram - when highlights get to 255/255/255 - yet, the utterly specious "argument of convenience" about noisy shadows has completely subverted the discussion.
Instead we see the same features that we see on the D800, just with a lot more color noise.
Yep, and that's a very easily-addressed situation - if you know what you're doing.
The color noise impacts our ability to push the shadows, or shadow latitude. But the DR is darn near the same. It certainly is not 2.5 stops less.
Exactly. Again, noise is sweet bugger-all to do with DR.
Perhaps more importantly for someone buying a camera, the final result with NR shows just how small the difference ends up being in the real world. Yes, the D800 is better. Could you spot it on a 36" print? Probably, but it certainly would not ruin the print. 24"? Most people could not without being told to look for it up close. 12"? Nope.
I've demonstrated the same "uncomfortable truth" on numerous occasions too: the difference, I guess, is that I don't convert/process Canon files in a deliberate attempt to make them look as bad as possible.
Seriously, why don't people get this? The number of times I've seen "proof" that Canon files cannot be subjected to heavy lifting in the shadows - with all the sheeple who don't know (and haven't even tried to learn) any better, going along with the BS - is extraordinary: and yet it's so easily (and has been) proven that these examples are utterly unrepresentative of what can be achieved, that - honestly - I'd be embarrassed to show that I was so gullible (or just so plain incompetent) as to believe them.
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