Date: Sat, 06 Sep 2008 00:26:37 -0700 From: perryh@pluto.rain.com To: kline@thought.org Cc: freebsd-questions@freebsd.org Subject: Re: which gray is best for print? Message-ID: <48c230ad.4RLnaY4gvfCrWFLi%perryh@pluto.rain.com> In-Reply-To: <20080906033645.GA93841@thought.org> References: <20080903231439.GA98955@thought.org> <20080905170804.GB20329@melon.esperance-linux.co.uk> <20080905200601.GA81339@thought.org> <20080905223859.8ad56b37.freebsd@edvax.de> <20080906033645.GA93841@thought.org>
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> So you're saying that the "white" on my [monster] CRT is not the > same as on a future LCD Display? rats:) Not only that, but your monster CRT probably doesn't match a smaller CRT; and an old-ish CRT whose phosphors have aged (and whose focus may have gotten a bit fuzzy) probably doesn't match a new, sharp one. Different LCDs may not match each other either, esp. if they use different backlight technologies or if some of the backlights -- or faceplates -- are subject to color shifts with age. > > This is due to the nature that these devices use different color > > spaces (RGB, composed additively, CMY, composed negatively), and > > most of them even aren't calibrated ... > > I took all 5 quarters of physics, like most of us, but never got > far into optics ... and there's more involved than physics and optics anyway, e.g. the neuropsychology of human visual perception.
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