Re: monitor contrast - too low?
Re: monitor contrast - too low?
- Subject: Re: monitor contrast - too low?
- From: Marco Ugolini <email@hidden>
- Date: Fri, 30 Jan 2009 20:17:32 -0800
- Thread-topic: monitor contrast - too low?
In a message dated 1/29/09 10:53 PM, Christoph Busch wrote:
> Hi,
> i try to calibrate my monitor for a sublimation printer.
> (I can't use a CMYK soft proof because its using RGB for printing)
You can also soft-proof RGB in Photoshop. No reason not to.
> Monitor: Samsung SyncMaster 226BW - contrast: 3000:1
> Lightsource: 6500K
> Calibrating: Spyder3 elite
> Gamma: 2.2
> System: Mac 10.5.6
You have a colorimeter, but no calibration/profiling software?
> I did the calibration (the monitor settings hue and contrast) by
> comparing printed out images to the monitor - finally i came up with
> something like: 40% hue and 30% contrast (monitor auto control
> switched off)
What you describe is not the kind of calibration that is done in
color-managed workflows. You use software to read absolute values off the
screen, the software calibrates the monitor output to the specified aims
(luminance, gamma, white point, etc.), and then the device is characterized
(profiled).
None of this is done by eye or by comparing the display to a print.
> (My normal settings for web based images are 98% hue and 54% contrast
> with slight monitor sharpening)
"Slight monitor sharpening"?
> The problem: Most images look good in color and hue but there is a
> significant shift in contrast looking and intense color (like brown,
> yellow in my case).
> To describe better what it's looking like: Take the basic settings and
> change the center level curve control in PS to 0.65 (1.00 by default)
>
> But i can't find any control achieving this kind of contrast behavior
> with my monitor (changing the contrast on monitor doesn't get any
> closer) - i did several profiling attempts including some gamma 1.8
> and mac system owned profiling.
Want kind of "profiling attempts"? Have you used profiling software, or was
this done by eye?
> so my question: is this something my colorimeter should do
YES! Not only that: your colorimeter must be used with profiling software.
Marco Ugolini
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