Hallöchen!
Torsten Bronger writes:
> [...]
>
> 2. You take a picture of it with your best lens in direct sunlight,
> but let it use only half of the viewframe width. Avoid glare.
> Take an exposure series, and select the raw for which the white
> patch (GS0) has an L value closest to 90 with the colour picker
> of Darktable. (Mind to set the display profile to "linear RGB"
> before using the colour picker.)
Oh yes, and switch of basecurve for this, and set input profile also
to "linear RGB".
Tschö,
Torsten.
--
Torsten Bronger Jabber ID: torsten.bron...@jabber.rwth-aachen.de
or http://bronger-jmp.appspot.com
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