Pentax OPTIO L60, Руководство по эксплуатации

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When the image is too dark, the part to the left is cut off (dark portions)
and when the image is too bright, the part to the right is cut off (bright
portions).
Understanding Bright and Dark Portions
When there is an area in the frame that is so bright it appears white, the
indicated area blinks red as a warning. Similarly, when there is an area
that is so dark it appears black, the indicated area blinks yellow as a
warning.
Understanding Contrast
The graph peaks gradually for images in which contrast is balanced. The
graph peaks on both sides but sinks in the middle for images with a large
difference in contrast and low amounts of mid-level brightness.