Youve seen the dreaded demon-eye effect that occurs when the camera flash bounces off the eye of a person or pet. An otherwise wonderful picture can be ruined by this.
Technically, this is called red-eye and is caused when the pupil of your subjects eye is wide open and the light from the cameras flash reflects off the subjects retina. In people, the color ends up red; in pets, the color is often green.
Many photo editing programs include a red-eye correction filter, but this may not allow your photograph subject to appear normal. These filters also do not work on the green effect produced in a pets eyes. Photo stores sell pens that are used to clear up red-eye, but again they are not always natural-looking and do not work on the green. The best thing is to prevent the demon-eye effect from the start.
It is rare to find a digital camera that does not come with a red-eye reduction feature. This feature can be turned off or on. It is best left on in all circumstances other than direct sunlight. The red-eye reduction feature works by flashing a short burst of light at your subject before you snap the picture. This burst of light causes the...