a9II vs a9 noise and DR

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JimKasson
JimKasson Forum Pro • Posts: 26,951
a9II vs a9 noise and DR
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I've seen statements by some that the a9II has better high-ISO DR/ lower high-ISO noise than the a9. I don't find much evidence for that.  I've just completed a set of photon transfer curves on the a9II, and I can't see much, if any difference between it and the a9 at high ISO's. At low ISO's the a9II appears a bit less noisy:

https://blog.kasson.com/a9ii/sony-a9ii-rn-fwc-and-pdr/

Jim

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