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Re: [OM] More on monitors and printing

Subject: Re: [OM] More on monitors and printing
From: "Wayne Harridge" <wayneharridge@xxxxxxxxxxxxxxx>
Date: Sun, 22 Feb 2009 13:52:46 +1100
Calibrating, profiling, sounds like the same thing to me.

You're adjusting the "system" (hardware & software) to produce a consistent
and known output from a specified input.

I would have thought that if the gamut of each monitor was different then
the profiling hardware/software would let you know that the screen(s) could
not be fully "profiled" (calibrated).

...Wayne

Wayne Harridge
http://lrh.structuregraphs.com/


-----Original Message-----
From: Andrew Dacey [] 
Sent: Sunday, 22 February 2009 10:06 AM
To: Olympus Camera Discussion
Subject: Re: [OM] More on monitors and printing

You usually don't calibrate a monitor (and most LCDs have no  
calibration options), you're profiling the monitor. The difference is  
that calibrating implies that you're adjusting the actual output to  
fit a certain spec (my understanding is that some CRT monitors could  
be calibrated because you could adjust the individual colour guns,  
LCDs only give you brightness control so you can't adjust the RGB  
output). Profiling involves sending RGB values to the monitor and  
measuring what colour (in LAB colour) the monitor actually displays.  
Then with colour management, it's able to convert the RGB values from  
the colour space you're using into LAB colours, and then use the  
monitor profile to determine what RGB value needs to be sent to the  
monitor to create that LAB value on the display.

Assuming your profiling has been done properly for both monitors it  
sounds like you're just running into issues where the gamuts of the 2  
monitors differ. From what you describe, it sounds like the HP goes  
wider into the yellows but is weaker in the purples. If those yellows  
you see on screen are outside of the printer's gamut, you're never  
going to see them in a print though.

On Feb 21, 2009, at 6:15 PM, Wayne Harridge wrote:

> I would have thought that if 2 monitors were calibrated to the same  
> standard
> then they would match ?
>
> ...Wayne
>
> Wayne Harridge
> http://lrh.structuregraphs.com/
>
>
> -----Original Message-----
> From: Mike Lazzari []
> Sent: Sunday, 22 February 2009 3:52 AM
> To: 1
> Subject: Re: [OM] More on monitors and printing
>
>>
>> I have a colormunki, which I used to calibrate both monitors and the
>> dell to the  printer, hence the dell matches the printer. Having
>> calibrated both they still display differently, maybe its down to
>> different panel technology and impossible to correct.
>>
> Monaco Optix Pro has the ability to not only calibrate but also match
> two or more monitors. I only use one monitor so can't say if this  
> works
> well or not.
>
> Mike
> -- 
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