Gretag Macbeth consists of 24 color and grayscale samples, meant to represent common color elements like green leaves, blue sky, skin tones, and so forth. Additionally a Gretag Macbeth color checker test chart has been added for those with supported signal generators. Using multiple saturations and intensities lets you see how well a display performs across more points and provides a better representation of how well it performs. One of my main complaints about display reviews is the reliance on how well a display calibrates to the primary and secondary color points, when really those just tell you how well a display does at 6 color points. These have been available previously in ChromaPure, but now are available in CalMAN as well, and with finer resolution (any increment for luminance and 20% or 25% in saturation, as opposed to 25% for each in ChromaPure). Included now are luminance and saturation sweeps.
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