[argyllcms] Re: i need some suggestion calibration/profiling.

  • From: "edmund ronald" <edmundronald@xxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx, andrea.barbieri01@xxxxxxxxx
  • Date: Wed, 7 Jan 2009 08:02:37 +0100

THE CG has an internal LUT for calibration. I don't think that dispcal
can access this. So you may be driving the CG at far less than its
optimal settings, and as it is a wide gamut display, a possible result
can be banding. Are you related to the Barbieri Electronics company ?

Edmund

On Tue, Jan 6, 2009 at 12:36 PM, Andrea Barbieri
<andrea.barbieri01@xxxxxxxxx> wrote:
> So be patient if my  poor english will leave me along this mail.
>
> The goal is squeeze out the most i could of my two monitors,
> are two eizo, S1931 and the other is a cg222w
>
> Spec, if usefull to know the "victims"
> s1931
>
> Brightness: 280 cd/m2
>
> Contrast ratio: 1000:1
>
> LUT 10bit.
>
> not specified the color but if i remember well 72% ntsc
>
> the cg222w
>
> Brightness: 200 cd/m2
>
> Contrast ratio: 800:1
>
> LUT 12bit 16bit processing.
>
> 92% Adobe RGB
>
> i do photography, my envirment is not the optimal, is dim (i could work on
> photo only on night)
>
> the output is for printing, (as soon as i buy a good printer) and  for a
> gallery online.
>
> I suppose the two must be differently calibrated one to match as close as
> possible to the adobe rgb (the 222) and the other the srgb
>
> i typically have the brightness around 80 100 cd/m. or  the lut is always
> better?
>
> would someone help me out find the best dispcal option for my needs?
> the settings i've used by now is lcd-t6500-b80-G2.2-f0-k0-qhh-lut for both,
> using dispcal gui (is so nice), i noticed on a testchart this
> http://www.fc-prints.de/fileadmin/daten/fcPrints_Testbild_100ppi.jpg
>
> i loose a from 1 to 3 on blacks..  white is ok.
>
> Colour seems the same, (more "rich" on the cg222) and, maybe  there's a
> little warm shift on the 1931, but i couldn't understand why.
>
> What is important for me smooth color transition, and the rendition for the
> b&w photo, so more precise are the grays levels more i'm happy..
>
> i've attached my 2 icm.. i don't know how to see the the gamut chart or the
> curve  (a free apps for windows?)
>
> thanks for any  help
>
>
>

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