Canon Z90W User Manual
Page 26
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Using Red-eye Reduction Function Effectiveiy
When you use the flash to take photos of people in low
light conditions, their eyes sometimes glow red in the
photograph. This is referred to as the red-eye effect
and is caused by the light of the flash being reflected
off the retina of the eye.
When the red-eye reduction operates, the red-eye
reduction lamp lights for approximately 1 second before
the flash fires. This causes the subject’s pupils to
contract, minimizing the risk of red-eye.
® Take the picture from
within 2 m/6.6 ft. of
your subject.
• The red-eye reduction
lamp has an effective
range of 2 m/6.6 ft.
® Attract the subject’s
attention so that he or
she looks at the
camera.
• Red-eye reduction is
not effective if the
subject is not looking
directly at the camera.
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