Shooting high ISO vs underexposing and lifting in post question

Started 3 months ago | Discussions thread
Slaginfected Contributing Member • Posts: 745
Re: High ISO comparison - what do these examples show?

Iliah Borg wrote:

alanr0 wrote:

As J A C S pointed out, the deepest shadows of the A7s images are much darker,

ILCE-7SM3 has its ISO calibrated differently from ILCE-9, too.

Now, we can somewhat correct the A9 image by pulling things down (which makes some stuff more difficult to see, but we have only the resulting JPGs, unfortunately):

I tried to make it somewhat similar, but the A9 has a color drift (expected) and the image is visibly desatured compared to the A7s3 one (also expected), plus the noise killed visible details in the darker parts compared to the A7s3 (also expected). My definition of "same" doesn't really fit to that.

With an A7rIV the differences would be way more pronounced even to the point that magic handwaving like "oh but this image is darker than the other" and "ISO calibration differences" still leave a lot to answer for.

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