Canon SD400 PowerShot SD400 / DIGITAL IXUS 50 Camera User Guide - Page 69
Press the, button to switch, between flash modes.
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Shooting 1 Press the button to switch between flash modes. The selected flash mode appears on the LCD monitor. • 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 appears. • 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 redeye reduction lamp fires in order to improve the effect. If you want a more immediate shutter response, set the flash to , or . 67