Hi,
I think this post is going outside the original question.
The original question was about a grey card and white balance (I I
understood corrrectly).
And what to do if the grey card doesnt appear "neutral" in darktable.
1 - Grey card and white balance.
The fact that the card is 18%, 22% or an
Hi Jean-Luc,
how would you proceed in detail with this module? Would you start with the
lift, gain or gamma or a little from all three? How many patches would you
pick?
I have a few pictures with heavy color casts (from slide scanning) and
while I can get good results the effort is often very high
Hello !
Le mercredi 22 février 2017 10:39:57 Jean-Luc Coulon a écrit :
> A simple sheet of (white) paper can also do the job.
I dont think so, because you cannot be sure that the white is neutral.
Actually: yes and no...
If the work is critical or professionnal, précise reproduction of painting
I always thought white balance should be done off of a white card not that
I understand how (why might be a better term) selecting an area of a color
(or even multiple colors) adjusts all colors or how it does it. I would
think if you should select a 18% gray/ x brightness white card area the
compu
The reason I didn't get it is that it was sent to spam sorry about the
clutter
On Wed, Feb 22, 2017 at 3:23 PM, Michael wrote:
> I always thought white balance should be done off of a white card not that
> I understand how (why might be a better term) selecting an area of a color
> (or even
There is a way more reliable DIY way than printing:
https://photographylife.com/diy-reliable-and-cheap-universal-white-balance-reference-device
I tried it and compared the result with a real gray card. I was unable
to see a difference between both methods. So, teflon comes close enough
at least
So with raw and dt it is okay to zoom in on the spot? What I mean is when
you take the picture do you take one (with the white spot in it) or two
(one with and one without). I'm thinking two but just to be sure.
You know. I actually like this idea. I'm going to tape a couple of
pieces of
I found a DIY gray card for those interested in this kind of thing.
https://shuttertux.wordpress.com/2012/01/18/do-it-yourself-18-grey-card/
On Wed, Feb 22, 2017 at 5:26 PM, Michael wrote:
> So with raw and dt it is okay to zoom in on the spot? What I mean is when
> you take the picture do yo
or if you want enter the HTML code for it. It is 808080. or is it
80808080! I'm pretty sure that the first will work.
On Wed, Feb 22, 2017 at 5:34 PM, Michael wrote:
> I found a DIY gray card for those interested in this kind of thing.
> https://shuttertux.wordpress.com/2012/01/18/do-it-yo
Le mercredi 22 février 2017 21:36:08 Michael a écrit :
> or if you want enter the HTML code for it. It is 808080. or is it
> 80808080! I'm pretty sure that the first will work.
#808080
The method described (with Gimp) is also simple.
For my experience a gray print is too approximative and c
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