Canon 2921B002 On-Screen Manual page 535

Adjusting Histogram
More data is distributed to the
highlight side.
Adjusting Histograms (Using the Slider)
Select a Channel, then move
set as the shadow or highlight.
- All parts to the left of
- The parts at (Mid-point Slider) will turn to the color exactly between the black-point and white-point.
- All parts to the right of
Auto Tone is set to ON by default. Adjustments shown below are automatically performed.
Moving the Black-point and White-point Sliders
Move the Black-point Slider or White-point Slider to adjust brightness.
Images with more data distributed to the highlight side
Move the Black-point Slider toward the highlight side.
Images with more data distributed to the shadow side
Move the White-point Slider toward the shadow side.
Images with widely distributed data
Move the Black-point Slider toward the highlight side, and White-point Slider toward the shadow side.
Moving the Mid-point Slider
Move the Mid-point Slider to specify the level to be set as the middle of the tonal range.
Images with more data distributed to the highlight side
More data is distributed to the
shadow side.
(Black-point Slider) or
(Black-point Slider) will be black (level 0).
(White-point Slider) will turn white (level 255).
Data is widely distributed between the
highlight and shadow.
(White-point Slider) to specify the level to be
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