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Re: DXOMark results for GH3
In reply to Anders W,
3 months ago
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Anders W wrote:
Detail Man wrote:
Anders W wrote:
Detail Man wrote:
Anders W wrote:
Detail Man wrote:
Anders W wrote:
BingoCharlie wrote:
This almost certainly means the GH3 is using the same Sony sensor as the E-M5, no?
Yes, it does. I have thought that such was the case all along and the DxO figures confirms it.
How does one then manage to "explain away" that the DxOMark Specifications sections report:
Sensor Photo Detectors: EM5 - 16.11 Mpixels, GH3 - 16.05 Mpixels
Pixel Pitch: EM5 - 3.74 Microns, GH3 - 3.73 Microns
Resolution: EM5 - 4640x3472, GH3 - 4624x3472
Frame Rate: EM5 - 9 FPS, GH3 - 6 FPS
I really see nothing here that needs "explaining away". The two manufacturers chose to employ a few pixels more or less and the difference in pitch may be no more than rounding error. Frame rate depends on quite a few things other than the sensor itself.
OK. Next round, then ("Screen" data: Dynamic Range, Saturation ISO):
EM5 - 10.47, 585 ... GH3 - 10.44, 782
EM5 - 11.48, 296 ... GH3 - 11.35, 394
EM5 - 12.02, 149 ... GH3 - 12.02, 214
EM5 - 12.35, 94 ..... GH3 - 12.30, 107
Well within the margin one would expect on account of measurement error, copy-to-copy variation, and filter stack differences (I only think the silicon is the same, not necessarily what's on top of it). Note that the different Olys (E-M5, E-PM2, E-PL5) differ a little from one another as well, although in that case we can fairly assume that everything, including the filter stack, is the same.
OK. I see that "Doctor Evil" has unveiled his precious "time capsule" in another "discussion", in order to pummel you with more incoherent ramblings - so I shall leave you now to enjoy his clarity !
Yes, it seems he woke up suddenly. But I think I'll let him ramble on his own this time.
...why so shy - suddenly?
...I thought that You were interested in this theme:
http://forums.dpreview.com/forums/post/50860207
...due to Your exhaustive comments...
the gap - where the sun shines in between...
...however,
I have chosen another system - see EXIF and Gallery...
...CU
--
Envy is the highest form of recognition.
Stop to run, start to think.
Think twice - that doubles the fun!
Your world is as big, as Your mind.
Avoid to have only one point of view!
Uli
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