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Re: [OM] monitor calibration

Subject: Re: [OM] monitor calibration
From: "C.H.Ling" <ch_photo@xxxxxxxxxxxxx>
Date: Wed, 30 Sep 2009 21:45:36 +0800
I'm using DVI cable for both my EIZO L568 and Samsung 205BW, there is no 
sharpness control on the EIZO but there is one on the Samsung, I have to set 
it to "16" to minimize its effect (too low the image will be softened and 
two high it is oversharpned). As the sharpness is unable to be totally 
neutralized it is very hard to visual the actual gamma value on the Samsung 
while there is no problem with the EIZO.

I'm not trying to make the calibration match the print, I try to make it 
match my target gamma 2.2 and still be able to differentiate each shade of 
grey level difference. The EIZO is rather success in gamma without any 
calibration, just use the monitor built-in gamma control set it to 2.2 then 
it automatically matched with the test site. I still have problem in 
differentiate the darkest two blocks and 254 for the white one. It is ok to 
me for now until I have the fund for a pro-EIZO.

http://www.lagom.nl/lcd-test/black.php

BTW, I do not use Adobe Gamma and Adobe RGB :-)

C.H.Ling

----- Original Message ----- 
From: "Ws"

> C.H. Are you using a VGA cable rather than a DVI-D to connect to the
> monitor? I thought only VGA connections used the sharpness feature
> in the monitor? I would not
>
> I have Dell UltraSharp monitors and PhotoCAL 2.7 and early version of
> Spyder. The first one that removed the suction cups for work with LCD
> monitors. I have mixed success with getting calibration to match printing
> on an Epson 2200. The monitor starting point seems critical to the final
> calibration, and getting the gamma correct first seems to help. When the
> initial calibration to balance the RGB channels starts causing one channel
> to be turned up high relative to the others, something is not right.
> Double check to make sure that Adobe Gamma is not also running
> or some other color correction in the system (unless you have an
> older Samsung LCD).
>
> I would concur that the gamma correction is not the best and is the
> most critical to getting matching display to print. I think photocal
> gets the colors reasonable, but the gamma seems very sensitive
> to the starting conditions of the monitor settings.
>
> WayneS
>
> At 12:25 PM 9/25/2009, you wrote:
>>I have a Spyder2Pro, the calibrated color is ok but the gamma is not right
>>and not consistant for different % of grey/color according to the test
>>below, while my five years old EIZO L568 is rather accurate for all % and
>>colors without any calibration so it is very clear which to trust.
>>
>>http://www.lagom.nl/lcd-test/gamma_calibration.php
>>
>>If you are using LCD make sure the sharpen is set to '0' or neutral. My
>>son's cheap Samsung is almost unable to disable the sharpness, it doesn't
>>work well with the gamma pattern test chart.
>>
>>http://www.lagom.nl/lcd-test/sharpness.php
>>
>>Instead of searching for a good monitor calibration tool I will save for a
>>high-end EIZO.
>>
>>C.H.Ling

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