at what high iso does A7r3 show less noise then A7r4?

Started 3 months ago | Discussions thread
Magnar W
Magnar W Veteran Member • Posts: 5,246
How carefully do you expose?
1

Chester McCheeserton wrote:

From what I've been able to gather, the r3 looks cleaner at isos like 3200 and 6400, but has anyone done any tests who has had both at more common middle iso's like 400 or 640?

Small variations in exposure will affect the amount of noise as much or more as the difference between these two cameras.

So my question is: How carefully do you match your exposure to the highlights when using your camera? If your answer is "auto metering" or "not within 0.5 stop", I would not care at all about the differences in noise performance, neither on pixel level nor when judging photographs scaled to the same size.

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