Canon CHDK Histogram mode, RGB, RGB Y, RGB Y, R G B, Y all, Blend, RGB all, Blend Y

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Histogram Screenshots

RGB RGB Y

RGB Y R G B

RGB all Y all

Blend Blend Y

• Histogram mode [Linear, Log] < Histogram parameters < Main Menu

Determines how the Y-axis (vertical) of the histogram will be scaled. Log is useful for scenes with a large amount of a single color, such as an overcast sky (lots of gray.)