Re: Monitor brightness setting
Re: Monitor brightness setting
- Subject: Re: Monitor brightness setting
- From: C D Tobie <email@hidden>
- Date: Fri, 17 Jul 2009 12:06:12 -0400
On Jul 17, 2009, at 11:28 AM, Marco Ugolini wrote:
Well, my sense of this is that a yellowing of the lens would be
compensated by the human visual system's ability to adapt to the
perceived white point, effectively neutralizing the yellow cast of
the lens itself.
That is the case up to a certain point. At some point it does seem to
cause a neutrality bias, so that advanced cataract sufferers, given
controls to "neutralize" a black and white image will make it very
blue...
Besides, when the lens darkens, unless it darkens a whole lot, I
would also think that the decrease in transmitted light would be
compensated for by a corresponding dilation of the pupil. No?
Yes, within the eye's capability to adjust, it adjusts. And beyond
that it acclimates, though the quality of color vision is reduces, and
the rods start kicking in at a higher light level...
C. David Tobie
Global Product Technology Manager
Digital Imaging & Home Theater
email@hidden
Datacolor
www.datacolor.com/Spyder3
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