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Digital Prints

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130<br />

Mastering <strong>Digital</strong> Printing<br />

include: specificity (calibration system works only with that monitor), uniqueness (calibration<br />

process for other monitors can’t use the same software and targets), update dependency<br />

(new OS versions may not be compatible), and complexity (conflicts may occur with<br />

the special cabling and connections). Examples of smart monitors include the Sony Artisan<br />

Color Reference System and the LaCie Electronblue with BlueEye Vision calibration.<br />

Dumb (non-calibrator) monitors are calibrated through the computer’s video board or<br />

card and the front panel controls. The card’s lookup table (LUT) is altered, which changes<br />

the monitor settings. Non-calibrator monitors, which are what most people use, are perfectly<br />

capable (especially with third-party help) of being calibrated. The only downside is<br />

that because some data has been clipped by the video card, you may see fewer available<br />

color values, depending on how far you stray from the monitor’s native settings. Some<br />

software/hardware packages can compensate for this loss by allowing the user to adjust the<br />

color guns through the front panel controls, offering the same level of control as “smart”<br />

monitors at a lower cost.<br />

So What’s the Standard?<br />

If monitors should be regularly calibrated to a known standard, the next question is: to what standard?<br />

Although the prepress/graphic design portion of the color-viewing industry is based around a white<br />

point of D50 (5000K), many digital workers have shifted their monitors to D65, a much cooler,<br />

brighter color. Although a lot of this is personal preference and also dependent on the monitor and<br />

room brightness levels, D50 is too dim and yellow to my eye, and D65 seems to match a nearby D50<br />

viewing light more closely, even if that sounds illogical. I also choose a gamma setting of 2.2, which<br />

seems better-suited to most computer systems.<br />

Eyeballing It<br />

Adobe Gamma (a Photoshop accessory for Mac and Windows) or Monitor Calibrator (an<br />

Apple OS utility) is a straightforward, wizard-like, visual calibration process (other imageediting<br />

applications have their own versions of this), so I’m not going to walk you through<br />

it. After a series of steps that include adjusting the monitor for white point, contrast and<br />

brightness, and phosphor RGB output levels, you end up with a monitor profile that<br />

Photoshop and other ICC-savvy applications must have to display colors correctly on screen.<br />

The main reason I’m giving Adobe Gamma (or similar visual procedures) scant mention<br />

is because I don’t think it’s the best way of calibrating a monitor. It’s very dependent on<br />

the viewing environment, plus many people have a hard time evaluating and comparing<br />

colors, and that’s partly what these built-in software calibrators rely on.<br />

To be sure, eyeballing it is better than no calibration at all, but if you have the option, go<br />

with a third-party, instrument-based calibration/profiling system.<br />

Using a Measuring Device<br />

This is a better way to do monitor calibration and profiling because it’s based on objective<br />

measurements, not just your visual opinion about how good your monitor’s display looks.

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