Sony A7s compared to Sony A7r at high ISO settings + Full size resolution jpgs. to download

Sony A7s compared to Sony A7r at high ISO settings + Full size resolution jpgs. to download
"Thinking about those two things, I decided to see how my A7r compared to my A7s if I downsized the 36MP files to match the 12MP of the A7s. I decided to see how the two cameras sensors performed at what might be described as 'normal' high ISO settings. i.e. 1600-12800. The A7s will of course go higher, but there are few occasions when I'd even contemplate that. But within the range I indicated, there are many situations when using that ISO setting would be useful. Below is what I got using the Sony FE 55mm F1.8 ZA Carl Zeiss Sonnar T* lens."
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SONY A7r - NIKON Df COMPARISON TESTS.

SONY A7r - NIKON Df  COMPARISON TESTS.
"The two best sensors I've ever used are in the Sony A7r, the resolution star and the Nikon Df, the premier low light performer. I thought it would be interesting to see how they compared to each other at low and high ISO settings. I used the same lens, my Sigma 50mm f/1.4 ART."
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