You need a calibration device to measure the luminance of your monitor and always return it to the same level, as the backlighting slowly degrades. Aside from making screen-to-print matching hard, this reduces the monitor lifespan.
A new LCD monitor is usually far too bright (e.g. Monitor luminance is measured in candelas per square meter (cd/m2), sometimes referred to as “nits”. Expensive monitors tend to allow more in the way of hardware calibration, enabling a higher image quality. The former may cause problems in some cases, which is useful to bear in mind. Software adjustments are the ones that go through the graphics processor, while hardware adjustments are those that bypass the GPU and address the monitor directly. Ideally, you don’t want this, since it eats into the monitor’s gamut (the range of colors it produces) and leaves it open to problems such as banding.Īlways use software that tells you how bright the monitor is and lets you adjust it interactively. The above is only untrue if you select a luminance setting that is lower than your monitor can naturally reach, in which case a software adjustment comes into play. You are basically altering the backlighting with a dimmer switch. One thing to know about monitor luminance (or brightness, in simple terms) is that it’s typically the only genuine hardware adjustment you can make to an LCD monitor.
Displaycal black point correction how to#
In this article, we’ll look at six aspects of a seemingly dark art, and how to calibrate your monitor. It’s just a question of breaking the subject down. Perhaps it is, but you’ll soon be comfy with it if you can grasp some of the basic principles.
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