Canon Speedlite 550EX Instructions Manual page 79

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• Fill Flash
Using Flash in Full Auto Mode
6
After the flash fires, check that the
flash exposure confirmation lamp
lights_
When a correct flash exposure has
been obtained, the flash exposure
confirmation lamp lights for about 3
sec. If the lamp does not light, the
flash may have been i nsufficient,
resulting in underexposure. In such a
case, check that the pilot lamp is red,
then move closer to the subject and
take the picture again .
Fill flash can be used outdoors in daylight to supplement existing light. It can
soflen shadow areas of the subject or illuminate a backlit subject.
The image was removed due
to copyright restJictions
With fil l flash .
The image was removed due
to copyright restJictions
Without fill flash.
~
When fill flash is used, thll flash IIxposure level is reduced aulomalically so that thll
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subject's illumination by the flash balances
Willi
with the background's ambienl light.
Inslead of having a property-exposed subjecl and an underexposed background, both
the
subject and background are IIXPOSed correctly lor a natural-looking flash picture .
79