Canon PowerShot SD400 Digital Elph User Manual page 69

• When you use the flash at higher ISO speeds, the chances of white
streaks appearing in the image increase the closer you approach to
the subject.
• Since a slow shutter speed is selected in dark places when the flash
is set to Off or Slow Synchro, take care to avoid camera shake. You
are recommended to shoot with the camera fixed to a tripod or other
device if the camera shake warning icon
• The flash can be fired when the indicator lights a steady orange after
pressing the shutter button halfway.
• The flash may take up to approximately 10 seconds to charge. The
recharging time will vary with such factors as the shooting
conditions and battery charge. Shots cannot be taken while the flash
is charging.
• The flash fires twice. The main flash follows a pre-flash. The
exposure reading obtained from the subject with the pre-flash is
used to set the optimal flash intensity for the main flash, which is
used to capture the image.
• When using the flash for standard photography, be sure to shoot
from a distance of at least 50 cm (1.6 ft.) away from your subject.
Red-Eye Reduction
• Light reflecting back from eyes can make them appear red when the
flash is used in dark areas. Under these conditions, use the red-eye
reduction mode. For this mode to be effective, the subject must be
looking right at the red-eye reduction lamp. Try asking them to look
directly at the lamp. Even better results can be obtained by
increasing the lighting in indoor settings or approaching closer to
the subject.
• The shutter will not activate for approximately 1 second after the red-
eye reduction lamp fires in order to improve the effect. If you want a
more immediate shutter response, set the flash to
Press the
1
between flash modes.
The selected flash mode appears on the LCD
monitor.
button to switch
appears.
, or .
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