Are flat screen LCD monitors ready?

I've been using a LaCie CRT monitor for my Photoshop work. Until now, I've
understood that LCD screens didn't have the depth necessary for good color
work. I'd like to hear some opinions on this subject - in preparation for
purchasing my next monitor. Thanks.........

-Nisko-

Re: Are flat screen LCD monitors ready?

Technology improves faster than people's impression of it. Many people
wrote off LCD's in the early days, but they are better now.
--
Mike Russell
www.curvemeister.com/forum/


Mike Russell

Re: Are flat screen LCD monitors ready?

On Sat, 12 Aug 2006 16:56:40 +0100, Graeme Cogger
snip
Amazing what you can learn just by lurking on other ppls queries.
I have an L17TX TFT (Who makes it?? it 'aint the Hyundi HDTV that's
for sure) which has been so-so-ish.
As a rank amateur, now looking urgently for a job (nudge - cv in sig
file) I looked at the price of a hardware calibration tool and got
scared away.
I had never heard of Adobe Gamma.
So OK I have tried it. Found that I could not get the centre square to
disappear, but set it to equal some of the stripes, if you follow me
and generally got to something like the requested settings elsewhere.
The results have been quite stark. The photographs came to life like
never before, but the screen became an 'eyeball blaster' as we say
with industrial radiographic screens when in use away from the piccys.
The result was that I had to wind back on the colour and contrast
again. The result now is that, whist I have put away the sunglasses
for general work, the piccys are on the dark side.
So thanks from someone else for that pointer, but whist I am burbling
on, why can there not be a simple calibrated printed strip which could
be held up against the screen and the screen controls winded to match
that?
What am I missing?
Keith J (BoilerBill) Chesworth
www.unseenlondon.co.uk
www.blackpooltram.co.uk
www.happysnapper.com
www.boilerbill.com - main site
www.amerseyferry.co.uk


BoilerBill

Re: Are flat screen LCD monitors ready?

In article <1155283312.903764.320210@m73g2000cwd.googlegroups.com>,
timo.autiokari@aim-dtp.net says...
True, though some panels are pretty good these days. Most people edit
their images looking straight at the monitor however and (unless the
panel is fairly poor in this respect) it is not a problem. It is, of
course, an issue if 2 people are trying to critically view the same
image.
I think that "most/all" is a rather a large exaggeration! Traditionally
it was only the cheap TN film panels that were 6 bit (and had very poor
viewing angles). Anything regarded as decent enough for graphics use
would use an MVA or S-IPS panel, which used to be 8 bit as standard.
There is a worrying article here, however, that suggests that
manufacturers are starting to make even these panels in 6 bit versions
in order to improve the response time:
http://www.tftcentral.co.uk/articles/6bit_8bit.htm
Some panels are even better than 8 bit (my Eizo is 10), although that
mostly just improves the accuracy of the internal gamma/calibration
curves.
On the whole I'd say that you _can_ get an LCD monitor that is as good
for graphics as a top quality CRT, but you have to pay for it (e.g. the
Eizo CG series). If you spend less money but choose carefully, they are
good enough for all but the most critical use. There is one proviso,
however - with a CRT you could get OK colour accuracy just by
calibrating the monitor using Adobe Gamma. With an LCD you generally
need a hardware system (e.g. Monaco Optix Pro, or Eye-One Display 2).


Graeme Cogger

Re: Are flat screen LCD monitors ready?

Your welcome (I try!!!)


-Nisko-

Re: Are flat screen LCD monitors ready?

Just curious - but your comments seem contrary to most of the other
responses.


-Nisko-

Re: Are flat screen LCD monitors ready?

NISKO gets the =^.^= award for most polite visitor to NG!!!
he said Thanks to each and every one who posted a thoughtful answer
Thank you Nisko


KatWoman

Re: Are flat screen LCD monitors ready?

just wanted to go on record:
Yes, LCD monitors are ready. Years ago, with Apple's intro of teh high end
Cinema display, LCDs began to be used for professional color work. At this
point, in 2006, even medium and low priced LCDs are suitable.
--
Mike Russell
www.curvemeister.com/forum/


Mike Russell

Re: Are flat screen LCD monitors ready?

Thank you...


-Nisko-

Re: Are flat screen LCD monitors ready?

Thanks...


-Nisko-

Re: Are flat screen LCD monitors ready?

Not so. The manufacturers measure black on white and the criteria for
the viewing angle is such that there still remains 10% of the maximum
contrast, so a 90% drop from the maximum. Therefore the viewing angle
specification does not tell us much about how well or badly the display
performs when we look at photographic images. Even a 5% drop of
contrast will change the tonality and colors very strongly.
What is sure is that a display that has the viewing angle specified to
a lesser value than 178/178 degrees is absolutely unsuitable for all
imaging and graphical purposes. And that the True Viewing Angle of
those displays that do have the 178/178 specification vary a lot. Some
behave actually almost decently, some are very bad.
The other thing with most/all of the LCD displays is that they
inherently only have 6-bit/channel. Manufacturers hide this coarse
gradation by dithering, either a spatial or a time based dither is
being used, or both. The spatial dither particularly is not good at
all, it makes the images soft (unsharp) and you can actually see the
dither from the normal viewing distance. expecially when a large smooth
gradation is shown.
It is true that CRT monitors do emit (quite weak) x-rays. Based on a
quick look at Geman safety requlations for CRTs it is my understanding
that if you keep some of your bodily part at the distance of 10cm (4
inch) all the time (24h/day, 365days/year) then the dose that is
accumulated by that bodily part is comparable to maybe 4x the average
of the backgound radiation on the earth (that affects to the whole
body). Now, from that distance the dose goes down by the inverse square
law, so at 20cm it will be 1x and at 40cm it will be 0.25x, for
continuous exposure. For 8h/day it will be then 0.0833x for that bodily
part. Since only a small portion of the body is at that distance then
maybe we divide it still e.g. by 3, totalling to 0.0278x the average
backgound radiation, for the 8h/day, 365days/year.
Timo Autiokari


Timo.autiokari@aim-dtp.net

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