Re: White point for LCD
Re: White point for LCD
- Subject: Re: White point for LCD
- From: David Remington <email@hidden>
- Date: Wed, 18 May 2005 17:15:44 -0400
The Eizos (many of them not just the ColorEdge series) have adjustable
color temp also. The adjustment is not accomplished with a graphic card
LUT adjustment as the adjustment is made from the monitor. The question
of "how" still exists though. Doesn't the monitor have a LUT of it own,
hence the "14 bit" and "10 bit" internal LUT claims? I agree with your
premiss that you can't vary the color of the actual light output as
there is only a single source. It must change the appearance of the
white point by altering the color of all pixels.
David
On May 18, 2005, at 3:12 PM, email@hidden
wrote:
Message: 6
Date: Wed, 18 May 2005 11:52:13 -0600
From: Andrew Rodney <email@hidden>
Subject: Re: White point for LCD.
To: Mark Rice <email@hidden>,
<email@hidden>
Message-ID: <BEB0DCED.FF9C%email@hidden>
Content-Type: text/plain; charset="US-ASCII"
On 5/18/05 11:47 AM, "Mark Rice" wrote:
I can adjust the white point on my Dell Ultrasharp LCD from 4500K to
9000K
as measured by the eye-one. I have to adjust it to about 5900 K to
get it to
visually match a 5000K light box from GTI.
Adjust how is the question? Physically (ala how we can adjust the
electronics for RGB guns in a CRT) or by altering a LUT at the graphic
card?
There's a significant difference.
Andrew Rodney
www.digitaldog.net
David Remington
Head Photographer for Collections Digitization
D 40 Widener Library
Cambridge, MA 02138
p 617-496-9346
f 617-495-0403
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