Pls show examples where increasing brightness in post better than increasing ISO.

Started Oct 1, 2013 | Discussions thread
gollywop
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Re: examples where increasing brightness in post is better than increasing ISO.
In reply to PhilPreston3072, Oct 1, 2013

PhilPreston3072 wrote:

edu T wrote:

PhilPreston3072 wrote:

With the latest sensors, some have been proclaiming it's better to shoot at base ISO and increase brightness in post rather than increase ISO in camera.

I would like to see some examples of this. Are there any examples where increasing brightness in post delivers better IQ than increasing ISO in camera? And please, disable all NR settings.

These after-brillig shots by Pierre Sottas with a D7000 are a classical example (AFAIK perhaps "the" one). This clear-cut "slain the jabberwocky and bring us its head" evidence was discussed here.

Captions by the author:

"A shot at ISO 6400, 1/30, f2.0 with very bad lightning conditions...

"...and the shot at ISO 100, 1/30, f2.0 (same exposure) and boosted 6 stops in RPP with highlights compression. No post-processing, EXIF should be intact."

(Can't help but notice that back then the angry mob of villagers wielding torches and forks was smaller and/or less frumious...)

I would say the ISO6400 has been disadvantaged here. The highlight areas of the verandah are already blown at this exposure. He should have reduced the exposure until those highlights weren't clipped at ISO6400 and then applied the same exposure settings for ISO100, and then applied shadow recovery if necessary.

They are the same exposure, and he got the shot he wanted.  Reducing the exposure would simply give a shot a more noise.  I would say ISO 6400 has a disadvantage, but it hasn't been disadvantaged.

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gollywop

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