Sony DSLR-A200W Instruction Manual - Page 100

How to check the histogram, is applied on the negative side,

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Number of pixels How to check the histogram A histogram is the luminance distribution that shows how many pixels of a particular brightness exist in the picture. When the image has a high-key or lowkey portion, that portion is flashed on the histogram display (Luminance limit warning). Dark Light Flashing R (Red) Luminance The exposure compensation will change the histogram accordingly. The right illustration is an example. Shooting with the exposure compensation on the positive side brightens the whole picture, making the entire histogram shift to the bright side (right side). If the exposure compensation is applied on the negative side, the histogram will shift to the other side. Both ends of the histogram show a highkey or low-key portion. It is impossible to restore these area with a computer later. Adjust the exposure if necessary and shoot again. 100 G (Green) B (Blue)

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100
How to check the histogram
A histogram is the luminance distribution
that shows how many pixels of a
particular brightness exist in the picture.
When the image has a high-key or low-
key portion, that portion is flashed on the
histogram display (Luminance limit
warning).
The exposure compensation will change
the histogram accordingly. The right
illustration is an example.
Shooting with the exposure
compensation on the positive side
brightens the whole picture, making the
entire histogram shift to the bright side
(right side). If the exposure compensation
is applied on the negative side, the
histogram will shift to the other side.
Both ends of the histogram show a high-
key or low-key portion. It is impossible to
restore these area with a computer later.
Adjust the exposure if necessary and
shoot again.
Number of pixels
Dark
Light
Luminance
R (Red)
G (Green)
B (Blue)
Flashing