RE: LCD Tests
RE: LCD Tests
- Subject: RE: LCD Tests
- From: "Broudy, David" <email@hidden>
- Date: Mon, 10 Feb 2003 12:47:02 -0600
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-----Original Message-----
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From: Stefan Ohlsson [mailto:email@hidden]
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Sent: Sunday, February 09, 2003 2:27 AM
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To: Ryan Thrash; email@hidden
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Subject: Re: LCD Tests
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It was surprising to see how easy it was to get the Apple monitors to
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match the target. Normally you expect that if you have more controls
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and settings on the monitor, it would be easier to get a good match.
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Here we just set the luminance to maximum, tried some different gamma
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settings and decided to use a gamma of 2.2 and adjusted the white
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point setting so we got a match of the white areas of the card. Then
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we just calibrated the monitor and got a very good a result. For
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those that don't want to fiddle with the controls, the Apple monitor
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is a good choice. But all the different settings on the Eizo monitors
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made it possible to get even better results.
you mean you profiled the Apple? Because you already "calibrated" it for
whatever value of the word Calibration Apple will have you interpret. Did
you use the Apple Calibration util to make the profile or something else?
I did a little test with the iBook LCD (which has no more or fewer controls
than any other Apple-branded LCD). First I reset everything and put it on
full brightness. then I used the Apple Calibration utility to set gamma 2.2
at 6500K and saved out that (tiny matrix) profile. then I used Profilemaker
Pro 4.1.1. and a Spectrolino to do the same thing and saved out the (much
larger LUT-based) profile, leaving the display settings alone and letting it
measure its patches. then I tried something called SuperCal which claims to
be able to perform a better visual calibration than anything else, but all
it did was make my eyes hurt and I found it to be pretty confusing to use.
the profile it made was awful but 1) I probably didn't do it right and 2)
I'm not going to try it again, not with all that squinting. insta-migraine!
The Gretag profile clumps a little in a gray gradient and just doesn't look
as nice (how's that for objectivity?) in the Finder and web browsers etc.
It's flat and dull. overall, I prefer the profile made with the Apple
Calibrator. the shadows are nice and open and a gray gradient is smooth and
free from color artifacts. Whites are white, grays are ... you know the
rest.
of course your mileage/kilometerage will vary. but let's just say my
attitude towards the Apple LCDs is better now than it was a few weeks ago
when I was whining about the lack of RGB controls on them. It doesn't seem
to make much of a difference and it certainly is easier.
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