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Re: real world wide gamut monitor - HP LP2475w - calibration with Spyder3
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Re: real world wide gamut monitor - HP LP2475w - calibration with Spyder3


  • Subject: Re: real world wide gamut monitor - HP LP2475w - calibration with Spyder3
  • From: C D Tobie <email@hidden>
  • Date: Tue, 8 Dec 2009 15:52:26 -0500


On Dec 8, 2009, at 3:33 PM, Steven Dobbelaere wrote:

<<Clip>>

So if I correctly understand, X-Rite and Datacolor each used another model / brand
of spectroradiometer device as reference during development for the filters used in the colorimeter?
And this explains partly the difference I see between my profiles?

That may be true, but its not necessarily the cause of any discrepancy... I recall, some years ago, when Monaco was not pleased with the results that Sharma's testing produced comparing their products with others, and they actually chose to donate one of their "flavor" of reference instruments to his University for the project. Recalculations using that device actually lowered Monaco's product's standing in the ranks, while improving the results for the Spyder, which used a different reference instrument.

<<Clip>>

Due to the favorable results on wider gamut screens with the Spyder3,
a number of wide gamut display and/or calibration software developers
have chosen to add support for it in their proprietary software, and a
few have even chosen to offer display bundles including it, while
others continue to bundle the Display2, though I am not aware of any
that still bundle the Huey.


I wonder if a bundle also contains a reference icc profile for a specific set of settings?
Could be usefull to track down issues with the colorimeter... ?

I am not aware of any bundles that include a sample profile. Since a profile defines a system, on an OS, with a particular video card and driver, at a given time, under given conditions, a "canned" profile for a display would not necessarily be very useful.

So, messy as this may sound, for some aspects of calibration, spectrophotometers usually do the best job, for other aspects, the best of the colorimeters are preferable; and which colorimeter is preferable for a given display depends on the particular display make and model (and possibly other factors, such as phase of the moon). There isn't even any guarantee that the device bundled with a particular display will give the best results on that display. Sorry if this doesn't offer a simple, clear answer, but no everything can boil down to a single simple answer.

Indeed, no simple answer here. At least I know now that what I experience is not abnormal...
Thx!

That was what I was attempting to get across; that your results are not out of the expected range; it might be your expectations that need to be adjusted, rather than your methods.


C. David Tobie
Global Product Technology Manager
Digital Imaging & Home Theater
email@hidden

GIF image



Datacolor
www.datacolor.com/Spyder3



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 >Re: real world wide gamut monitor - HP LP2475w - calibration with Spyder3 (From: Steven Dobbelaere <email@hidden>)

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