Canon PowerShot S30 - Manual (Page 50)

48 Shooting - Letting the Camera Select Settings
Using the Flash (continued)
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• When shooting with a high ISO sensitivitiy and using the built-in flash, there is
more of a chance of overexposure the closer you are to the subject.
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• The fastest shutter speed for flash synchronization is 1/250 second. The camera
automatically resets the shutter speed to 1/250 second if a faster speed is selected.
• The flash may take up to approximately 10 seconds to charge in some cases.
Actual times will vary according to usage and the battery charge.
• In mode, the flash fires at full intensity. The flash intensity is automatically
adjusted except in mode.
• The flash setting is saved when the camera is turned off in the , , and
shooting modes.
• The flash will fire twice. A pre-flash will fire and will be followed by the main flash.
The pre-flash is used by the camera to obtain the subject’s exposure data so that
the main flash can be set to the optimal intensity for the shot.
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About the Red-Eye Reduction Function
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
shooting with the lens set to the wide angle, increasing the lighting in indoor
settings or approaching closer to the subject.