57 A dark or low-key image will naturally draw your eyes to the highlight areas such as the eyes. These tend to have a grittier and harder look to them than high-key images.
A dark, low-key image will have a histogram that clusters mainly around the left end. The histogram of a bright, high-key image will tend towards the right.
A histogram may contain highlights or shadows that are shown with a height of just one pixel, and these are easily clipped. This is often the case with low-key images (see histograms tutorial), such as the example shown below: ...
the Flextight scanners reduce noise by housing the power source outside of the scanner housing and by using a cold cathode tube, which produces minimal infrared waves and, thus, heat. This is particularly important when scanning low-key images where ...
 See also: Digital, Light, Camera, Image, Photograph
  
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