D600-D800 high ISO RAWs compared

Started Sep 15, 2012 | Discussions thread
moving_comfort Veteran Member • Posts: 8,238
There is a focus/lens issue affecting perceived acuity

SergeyGreen wrote:

rhlpetrus wrote:

The D800's were downsized, otherwise you'd have the impression of more noise from it.

In the second image, it is the right frame that should be larger in frame to frame comparison (if the downsizing to be equal), but the noise looks almost the same as it is in both. So downsizing could also explain why the detail looks almost equal as well, it is simply hidden.

Doesn't quite explain the 'softer' look, though, downsampling itself wouldn't bring that to that degree. It's definitely a lens or focus issue making most of the difference there.

Too bad, exact focus matching would allow a downsampled-36MP vs native-24MP comparison with reagrd to acuity.


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