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Preparation
27
About the Histogram
• A histogram is a graph that displays brightness along the horizontal axis (black to
white) and the number of pixels at each brightness level on the vertical axis.
• It allows the camera user to easily check the way a picture is being exposed.
• It is very useful if manual adjustments of the lens aperture and shutter speed are
available, especially in those situations where automatic exposure may be difficult
due to uneven lighting. Using the histogram feature will allow you to get the best
performance from the camera.
• When the values are concentrated to
the left as A, the picture is under
exposed.
• When the values in the histogram are
distributed as B, the exposure is
adequate and the brightness is
well-balanced.
• When the values are concentrated to
the right as C, the picture is over
exposed.
ª Example of histogram
A Under Exposed
B Properly Exposed
C Over Exposed
¢Histogram
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Suggestions/Tips
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• When the brightness of the picture
and the histogram do not match
each other, the histogram turns
yellow.
• The histogram turns yellow in the
following cases.
– When the flash is activated
– When the flash is closed
1. Aperture-priority AE/
Shutter-priority AE:
When the brightness of the
screen is not correct or when the
exposure is not adequately
adjusted
2. Manual exposure:
When the shutter speed is slower
than 1/13th
3. In modes other than the above:
When the brightness of the
screen is not correct in dark
places
• The histogram does not appear when
in Motion image mode [ ], during
multi playback and playback zoom.
• The histogram in recording and
playback may not match each other.
• The histogram in this camera does not
match the one displayed in image
editing software on PC, etc.
• The histogram in the recording mode
is an approximation.
P
F2.8 1/200
2304
10:00 1.DEC.2004
100
_
0001
1/19
ISO100
AUTO
P
F2.8 1/100
2304
10:00 1.DEC.2004
100
_
0001
1/19
ISO100
AUTO
P
F2.8 1/50
2304
10:00 1.DEC.2004
100
_
0001
1/19
ISO100
AUTO
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