Adobe Photoshop CC for Photographers
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Bit depth
The bit depth refers to the maximum number of levels per channel that can be contained in a photograph. For example, a 24-bit RGB color image is made up of three 8-bit image channels, where each 8-bit channel can contain up to 256
levels of tone (see Figure 4.6), while a 16-bit per channel image can contain up to 32,768 data points per color channel, because in truth, Photoshop’s 16-bit depth ...
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