Ricoh 170543 用户手册
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Tip: Choosing the Black Point, White Point, and Mid-Point
• Adjusting brightness: To make the
image brighter, move the mid-point
to the left. Moving the mid-point to
the right makes the image darker.
to the left. Moving the mid-point to
the right makes the image darker.
• Correcting exposure: If the image is
overexposed, move the black point
to the right until it lines up with the
darkest pixel in the histogram (see
right). If the image is underexposed,
move the white point to the left until
it lines up with the brightest pixel.
You can then move the mid-point left
or right to adjust brightness.
to the right until it lines up with the
darkest pixel in the histogram (see
right). If the image is underexposed,
move the white point to the left until
it lines up with the brightest pixel.
You can then move the mid-point left
or right to adjust brightness.
Correcting overexposure
• Increasing contrast: To increase contrast,
align the black point and white point
with the darkest and brightest pixels
as shown at right. You can then move
the mid-point left or right to adjust
brightness.
with the darkest and brightest pixels
as shown at right. You can then move
the mid-point left or right to adjust
brightness.
Cautions
• Level compensation is available only with still images taken
using this camera body. It is not available with movies or
pictures taken using M-Cont Plus. The desired results may not
be achieved with monochrome images.
pictures taken using M-Cont Plus. The desired results may not
be achieved with monochrome images.
• Level compensation can be applied multiple times, however,
the quality of the image will be degraded each time by
recompression.
recompression.