I saw that video and have no idea what F-Stoppers may have done wrong in
their test, but I expect unfamiliarity with the software may be a
factor. I just tried to replicate the essense of the test using my Nikon
D3200, 50mm @ F5. Shot properly exposed at 3200 on a tripod, then at
100. After boosting the exposure 5 stops (1 exposure instance) and
selecting the same white balance, the overall luminosity looks
equivalent to me.
I also tried boosting using 2 instances, 1 at +3ev and another at +2ev.
I noticed that duplicating the instance and changing the exposure still
leaves the duplicate turned off, so maybe that's what happened.
The camera's white balance selection was very different between the two
and even after setting the boosted image's setting it still looks a
little yellow to me. Also, some areas that were darker to begin with
(dark wood in shadow) did not appear as bright after boosting 5ev.
The long & short of it is I don't think there's any issue with Darktable.
--Bryan
On 3/3/19 2:31 AM, Wiktor Nowak wrote:
Normally You use one exposure module and push it 3EV max. They
duplicated it and pusched it 1 stop more so maybe here something tricky
happens. I did a test witch 5EV underexposed image on 80D and I didn't
noticed any exposure difference when I pushed it 3EV plus 2EV in
darktable. It could be a difference in darktable overall in a shape of
base curve for this Nikon or anything else.
Actually I don't think it's a problem at all. Do You think it is?
W dniu 02.03.2019 o 11:22, Andreas Schneider pisze:
Hi,
there a video where they did take and underexposed image and then pushed the
exposure 4 EVs. darktable produced a darker image than the other raw
developers.
https://www.youtube.com/watch?v=RAb85TukSuc
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