Canon Speedlite 420EX User Manual
Page 33
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Flash in Full Auto Mode
Fili Flash
Even in daylight, you can use flash as fill light to soften harsh shadows or
illuminate a dark, backlit subject.
The image was removed due
to copyright restrictions
The image was removed due
to copyright restrictions
With fill flash.
Without fill flash.
Q With fill flash, the subject illuminated with flash might look unnatural compared to
the background's brightness. To prevent this, the flash output is reduced
automatically to obtain a more natural balance between the subject and
background brightness. This is called automatic flash output reduction.
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