D4s vs D4 high ISO comparison with Zeiss 55/1.4 Otus @ f/4

Started 5 months ago | Discussions thread
onasj
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Re: D4s vs D4 high ISO comparison with Zeiss 55/1.4 Otus @ f/4
In reply to onasj, 5 months ago

One more note: you can see that the D4s is doing unusual things with the out-of-focus regions of the image, presumably to better control noise at high ISOs.  To my eye the out-of-focus regions of the D4s image actually look less natural (more artifacts) than those of the D4 because of this processing.  However, there is no doubt that the amount of chroma noise, especially in the shadows and dark grey bottom third of the vessel, is MUCH lower with the D4s than the D4.  Since these images were all shot RAW and I'm showing the RAW renderings in View NX2, I presume this means the actual sensor and raw file output of the D4s is significantly different than that of the D4.  I.e., the apparent improvements in the D4s are not simply attributed to better NEF-to-JPG conversion.

-David

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