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Re: you inspired me ...
In reply to Jorginho,
6 months ago
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Jorginho wrote:
I understand your response. In no way was I indirectly refering to you specifically. I am not like that, if I want to tell you something I am not going to talk to others about you in general.
I did not take it that way. You did not dismiss me ... you dismissed the older 16mp sensors. A backhanded complement if you will.
It is okey that we disagree on some things and if you read some of my messages (well, there are quite a few so I understand you did not do that) I said that I will try to make some pics this weekend to see what ican show.
Cool. That would be very useful.
Now, if you want to do things scientifically we can go to several sites that would at least adress your needs. The dpreview site to my eyes clearly shows that OMd has better noise characteristics than GH2.
DPReview use defaults in ACR, which are meaningless.
The only way to truly compare two sensors' output is to process them to match. If one continues to be superior, then it wins. If they can be matched up, then the result is a tie.
The latter is what I have been seeing. And this, frankly, is much more akin to scientific method than throwing up our hands with the Adobe defaults for each camera and saying "See!?"
And Gh2 here is virtually identical to G5 (got that from DxO) mark.
DXO is very useful. But it does not perfectly predict whether the two can be made to look the same to all intents and purposes. That requires actual testing of matching exposures.
DxOMark simply shows the sensors to be different. Noise about half a stop (not that much), DR anywhere between 0,5 and 1 stop. Tonality 1/3 to 1/2 a stop. Coloursensitivity 1.4 bits higher at base ISO and then evolving from wel over a stop to about 2/3 of stop better throughout the range. That is the purest and most scientific form we can get I think, as it measures the sensor characteristics. And not what you or I do with our tests....
Yes. And what does it mean in the real world? After a skilled person has processed the two images?
The answer is "very little" ... which was what I found when I performed the test on these (and other) images.
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