Re: native white point
Re: native white point
- Subject: Re: native white point
- From: Peter Karp <email@hidden>
- Date: Tue, 23 Nov 2004 15:03:07 +0100
> Good point Mike. I was over-simplifying and assuming CRT.
> CRT native white point=
> "whatever you want it to be" (if you RGB gun control)
> LCD native white point=
> "it is what it is"
The native whitepoint of most LCD's is around 6500K. Some displays
(like the NEC) have a "native" setting in the OSD. I measure
whitepoints between 6400K and 6700K (depending on the screen location)
for this setting.
For other TFT's resetting them to the default factory mode will set to
the native whitepoint for most models.
Another way is to check the EDID information of the display. The EDID
values will quote you the whitepoint the manufacturer will calibrate
the display to. On a Mac you can just doubleclick the default profile
of your display, which is named after the monitors internal name. You
find this profile in the "Displays" folder of the ColorSync folder.
The colorsync utility program will report the interal EDID values of
the display.
On a PC you have several free programs to read out the EDID
information of the displays. The "Monitor asset manager" (also called
MonInfo) from www.entechtaiwan.com is my favourite one, because it
regocnizes a multi-monitor setup correct. But you can find the EDID
information also (not human readable) in the registry, where Windows
will store the informatin for all displays which where attached to the
PC at any time. Phoenix from www.raylar.com allows to read out all
those entries.
Regards
Peter
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