Sony DSLR-A100 - Manual (Page 95)

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For details on the operation 1 page 80
In the default setting, if exposure compensation is selected when the flash is used, shutter
speed, aperture, ISO sensitivity (only in AUTO mode), and amount of flash light all change in
order to perform exposure compensation (page 65). By fixing the amount of flash light, you
can limit the effect of exposure compensation to the background that is illuminated only by
ambient light (light other than the flash.)
• With the flash compensation, you can limit the compensation to flash light range by fixing the exposure of
ambient light range that the flash light does not reach (page 57).
Values that change: amount of flash light
Values that do not change: shutter speed, aperture, ISO
When you press the shutter button halfway down using the flash under dark lighting, the flash
light may be fired. This is AF fill light to help easily focus a subject in auto focus mode. You
can set the AF illuminator to on or off.
• When AF illuminator is set to [Off], the AF illuminator of an external flash (not supplied) is not triggered.
Exp. comp. set
Ambient&flash Exposure compensation is performed on both the ambient
light range (the background that the flash light does not
reach) and the flash light range.
• Values that change: shutter speed, aperture, ISO (only in AUTO
mode), amount of flash light
• Values that do not change: none
Ambient only The exposure compensation is limited to the ambient light
range (the background), while the exposure of the flash light
range is fixed.
• Values that change: shutter speed, aperture, ISO (only in AUTO
mode)
• Values that do not change: amount of flash light
AF illuminator
On Fills the AF illuminator.
Off Does not fill the AF illuminator.