The calibration software then displays a series of color swatches on screen. You hang a measuring device (colorimeter) in front of your monitor. The basics of monitor calibration are pretty simple. Most experts recommend doing it every few weeks to every few months. All monitors change over time, so calibration must be done on a regular basis. Even a high quality monitor may not display colors accurately, especially as it ages. There’s really no way to know unless you generate an expensive prepress proof (e.g., a Kodak Approval, Fuji FinalProof, Creo Veris) and compare it to the on-screen image. If you have never calibrated your monitor, it’s almost certainly out of whack. Assuming your client uses calibrated printing equipment, there should be a nearly perfect match between the image you see on screen and the final printed piece. Proper calibration guarantees that the image shown on screen matches the numerical color data saved in the digital file. In my previous guest post, I encouraged all digital artists to invest in a monitor calibration system. This next post walks us through the process and explains the mysterious settings known as gamma and white point. His first post detailed why it's a good idea to calibrate your computer monitor regularly. This is the second installment of a 2-part guest post by Jim Perkins, a professor at the Rochester Institute of Technology's medical illustration program.
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