5-6000 K
5-6000 K
- Subject: 5-6000 K
- From: "Mark Rice" <email@hidden>
- Date: Wed, 31 May 2006 23:50:23 -0400
Hmmmmmm . . . - sounds like theology to me. What if I don't put any proof in
the lightbox, but simply look at the neutral gray walls? It still takes
about 6000K from the monitor to get gray to match gray.
Mark Rice
-----Original Message-----
From: Simon Prais [mailto:email@hidden]
Sent: Wednesday, May 31, 2006 5:22 PM
To: email@hidden; email@hidden
Subject: Re: Colorsync-users Digest, Vol 3, Issue 196
Alexey and Mark
I note your comments about matching monitor white points to viewing booths.
We similarly find that setting a monitor at around 6000°k gives a good match
to the white of an image in a 5000°k viewing booth.
The explanation I give is that in the viewing booth you are seeing the
5000°k light reflected off the media you are viewing - i.e the white of the
paper your proof is printed on. This changes the temperature of the light
you are seeing - normally in the direction of 6000°k. Whereas the white of
the monitor is not reflected light, but transmissive light, so you set it to
match the temperature of the viewing booth light after it is reflected off
the white paper of your proofs.
Simon
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> From: "Gribunin" <email@hidden>
> Subject: RE: LaCie calibration
> To: <email@hidden>
> Message-ID: <006701c6847f$8d836770$email@hidden>
> Content-Type: text/plain; charset="us-ascii"
>
> Hello Mark!
>
>>> I find I have to get my monitor set to about "5800K"
>>> (by the EyeOne) to match a 5000K light booth.
>
> I also have the same experience with both Spectrolino and EyeOne Pro.
> In both cases I need to adjust monitor white point somewhere around
> 5300-5500K to match 5000K viewing booth. I think this happens due to
> non-linear spectral emission of the monitor white point. This also can
> be the reason of different color temperature reading between
> colorimeters and specrohpotometers.
>
> Best regards,
> Alexey Gribunin, UNIT Color Technologies, Moscow, Russia.
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