Re: New NEC displays -- rule of thumb choosing a display for color work
Re: New NEC displays -- rule of thumb choosing a display for color work
- Subject: Re: New NEC displays -- rule of thumb choosing a display for color work
- From: Marco Ugolini <email@hidden>
- Date: Fri, 06 Jan 2006 21:20:40 -0800
In a message dated 1/6/06 2:52 AM, Peter Karp wrote:
> I have taken a quick look at the specs of the four displays:
>
> Viewing angle:
>
> 145° Vert., 160° Hor. (75U/70D/80L/80R) (CR>5)
> ^^^^^^
>
> That does mean that such a display is pretty useless for color work.
> As a rule of thumb I suggest only to consider displays with a viewing
> angle of at least 170° specified at a a contrast ratio of 10 [1].
>
> That does not mean that all >170° displays are a good choice for color
> critical work, but I have never seen a display with less then 170°
> which was even worth considering.
>
> Please be aware that the viewing angle specified in a brochure does
> only give a rough idea about the color shift of a display. There are
> displays with a quoted viewing angle of 178° which have a color shift
> which is worse compared to a specific display with a specified viewing
> angle of 170°. The best viewing angle I know is in the current 21"
> Hitachi panels, used in the Quato Intelli Proof 213 and Eizo CG210.
> The NEC 2180 (= LaCie 321) have a good viewing angle too, but are --
> especially in a darker environment -- more prone to color shifts.
>
> Do yourself a favour and explain and demonstrate to your clients that
> an investion in a good calibrated display is well worth the money --
> it pays for itself very soon.
>
> With kind regards
> Peter Karp
>
> [1]
> A viewing angle specified for a CR of 5 or 2 (like I have seen these
> days) is pretty pointless.
Hi Peter.
Thank you for your remarks.
I have nothing invested in these NEC displays, but still, I fail to
understand how a viewing angle smaller than 160 or 170° can be seen as
lacking. I am quite satisfied with my ACD's viewing angle, which is probably
about 70° (35° left and right of dead center) before a marked shift is
noticeable.
Incidentally, the viewing angle of the NEC SpectraView (MultiSync LCD2180WG)
is listed as 176° Vert., 176° Hor. (88U/88D/88L/88R)@ CR>10. That of the
Eizo CG220 as 170°, 170° (at contrast ratio of 10:1), which is the same as
that for the CG210 and CG19.
Can anyone please clarify this confusing set of information? Or lead me to a
URL that does that?
Thank you.
--------------
Marco Ugolini
Mill Valley, CA
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