Re: Dreamy picture (Dreamcolor monitor)
Re: Dreamy picture (Dreamcolor monitor)
- Subject: Re: Dreamy picture (Dreamcolor monitor)
- From: "edmund ronald" <email@hidden>
- Date: Sun, 19 Oct 2008 23:23:02 +0200
I got a replacement head via HP France, which appears to be a refurb,
it's a bit better than the previous one, but cannot be called uniform
in any comparison with my CG210.
I have written Rick at Chromix, and hope he will find a solution for
this device - if this is the best they can do then they have made a
very nice wide-gamut monitor but not one that can be used for color
management work where fine color comparison and neutrality is a
necessity.
Edmund
On Sun, Oct 19, 2008 at 11:11 PM, Klaus Karcher
<email@hidden> wrote:
>> Rick Hatmaker wrote:
>>>
>>> I am told that HP is now researching the cause and extent of the
>>> uniformity issue with the LP2480zx. HP indicated that they will keep us
>>> posted. Meanwhile, if anyone else is experiencing what has been described by
>>> Klaus and Edmund, HP would like to hear about it and possibly offer a
>>> replacement if warranted
>
> Klaus Karcher wrote:
>>
>> Thank you Rick and Andrew for the quick and non-bureaucratic help. I'll
>> contact HP Europe tomorrow.
>>
>> Klaus
>
> I just want to keep you posted:
>
> I contacted HP Europe on Thursday and got a new panel (head) on Friday. The
> new one is almost perfect: Under normal viewing conditions one has to try
> hard to see any non-uniformities. When one displays dark grays in a
> completely darkened environment and hides everything else (Menu bars,
> palettes and so on) one will see very slight, horizontal lightness
> variations but no color casts.
>
> In matters of uniformity the new HP Dreamcolor panel clearly beats every
> other wide gamut display I've seen so far (and I've seen almost all
> available models). It is at least as uniform as the "narrow-gamut" EIZO
> CG210 and much better than the newer EIZO "Digital Uniformity Equalizer"
> models (CG211, CG221, CG241).
>
> The gamut is tremendous. I've never seen reds or magentas like this before.
> Also the contrast range is higher than everything else I've seen before on a
> LCD display.
>
> It's hard to find any shortcomings: there is a small area (as small as the
> tip of the little finger) where on can see a periodic pattern of tiny red
> dots, but it's only visible in darkened environment on a completely black
> screen. (I didn't notice anything like that on the first panel).
>
> There is also some kind of noise pattern (like brushed metal) in very dark,
> uniform grays (approx. R=G=B=4), again only visible in darkened environment
> (this effect was also present on the first panel).
>
> Under normal viewing conditions, the HP Dreamcolor is close to perfection:
> It has very little viewing angle dependency, great uniformity and an
> unbeatable gamut and contrast range. I can highly recommend it.
>
> However, it borders to wastage to drive it with only 8 bits per channel,
> all the more as there is no L* TRC preset. I wonder if a new MacBook Pro
> with Display Port would exhaust its 10 bits per channel capability?
>
> Klaus Karcher
>
> --
> Klaus Karcher * Eichenallee 18
> 26203 Wardenburg * Germany
> Tel. +49 441 8859770
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