Canon 150U - Manual (Page 13)

Using Red-eye Reduction Function Effectively
When you use the flash to take photos of people in low light conditions,
their eyes sometimes glow red in the phdtograph. 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.
©Attract the subject’s attention so that he or she looks at the camera.
• Set the lens to the wide-angle position.
• Raise the available light level as much as possible.
• The effectiveness of the red-eye reduction function varies from person
to person.
O When the red-eye reduction function operates, a picture can not be taken
for approximately^ second (the gi'een Mmp blinks 16 times). Hold down
the shutter button until you hear the sotirld: Of the filrrf winding on^%