Re: Contrast
Re: Contrast
- Subject: Re: Contrast
- From: Andrew Rodney <email@hidden>
- Date: Wed, 11 May 2005 10:26:43 -0600
On 5/11/05 10:22 AM, "Mark Rice" wrote:
> In general, more contrast is better. But because the response of the eye is
> exponential, it may be difficult to distinguish between 400:1 and 1000:1 -
> they may appear nearly identical.
The question is, do these displays allow control over black luminance
independently over white? Ideally we want the black to be as dark as
possible while still controlling white luminance. With a white point
luminance target of 100cd/m2 and a black point of .25 cd/m2, a ratio of
400:1 (100/.25) is produced and this is similar to many photographic output
media. But as we up the white luminance, what happens to black and vise
versa? With my Artisan, the max contrast ratio is fixed at about 500:1 but I
can calibrate it to adjust the two ends to produce an exacting and lower
ratio. Can this be done with these LCDs? Can this be switched "on the fly"?
Andrew Rodney
www.digitaldog.net
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| References: | |
| | >Contrast (From: "Mark Rice" <email@hidden>) |