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The Panasonic Lumix DMC-G2 by Carol F. Roullard, Brian Matsumoto Ph.D

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Additional Controls for Preflash and Internal Shutter

Red-eye Reduction

Another icon that may appear is a representation of an eye (Table 8-1). This command is for red-eye reduction and a bit of background may be needed to clarify its function. The camera’s flash unit will send out light, and if a person—or an animal—is looking into the lens, the light will enter the eye and be reflected back to the camera. Since the human eye has a rich vascular system, the reflected light will be colored red, resulting in a photograph with the person’s pupil’s glowing eerily. As an aside, animals (such as a cat) have a reflective layer behind their retinas (tapetum lucidum).

This causes a cat’s eye to glow yellow rather than red when it looks toward an electronic ...

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