[argyllcms] Re: More about the Huey that comes with the XL20
- From: "Gerhard Fürnkranz" <nospam456@xxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Mon, 13 Apr 2009 22:03:02 +0200
-------- Original-Nachricht --------
> Datum: Mon, 13 Apr 2009 13:15:07 -0500
> Von: Leonard Evens <len@xxxxxxxxxxxxxxxxxxxxx>
> An: argyllcms@xxxxxxxxxxxxx
> Betreff: [argyllcms] More about the Huey that comes with the XL20
> Second, the Huey that came with the
> monitor says `LED' on it.
The same applies to my i1 Display bundled with the XL20, it is labeled "LED
SyncMaster" (my XL20 was bundled with an i1 Display, and not with a Huey).
> I suspect that this device was produced together with the Natural Color
> Expert software explicitly for the Samsung LED monitors. It is possible
> that its readings are not interpreted correctly by the ARgyll software.
I can't speak for the Huey, but with my i1 Display readings taken with NCE and
readings taken with dispread -yl did agree very closely on the chromaticities
of white and the three primaries. So I think the readings are interpreted
correctly by Argyll (at least as correct as they are interpreted by Samsung's
NCE sofware). I can't of course assess the absolute accuracy, and I also don't
have any other "regular" monitor colorimeter for comparison.
The XL20 calibrated with dispcal looks fine, subjectively judged. My feeling is
rather that other LCD displays end up with a red/magenta tint, if I calibrate
them to a D65 WP with displcal -yl, using the i1 Display that came with the
XL20 (but again, I don't have any other "regular" monitor cololorimeter for
comparison).
And if I compare the XL20 with my notbeook side by side, both calibrated to D65
using my SyncMaster i1 Display, then the tints of white are visually
significantly different (my feeling is, this must be rather >= 5 dE), although
the measured white points agree with a tolerance of about 1 dE (at least short
term, immediately after calibration).
Btw, did anybody here ever manage to achieve a really good visual sidy-by-side
match of the white points of different displays (not the same model, but
various different ones), using one of the low-cost colorimeters available on
the market? I had tried a few notebook displays, a CRT, the XL20, yet another
LCD display, but eventuelly they look all a little bit different and there was
no pair of two displays, which really did agree visually after calibration.
Regards,
Gerhard
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