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Red eye reduction, What causes the red-eye phenomenon – Sony NEX-3N User Manual

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Red Eye Reduction

When using the flash, it is fired 2 or more times before shooting to reduce the red-eye
phenomenon.

1 MENU t [Setup] t [Red Eye Reduction] t desired setting.

• You cannot use [Red Eye Reduction] in the following situations:

– [Hand-held Twilight] or [Anti Motion Blur] in [Scene Selection]
– [Rear Sync.] in [Flash Mode]
– [Smile Shutter]
– [Sweep Panorama]

• [Red Eye Reduction] may not produce the desired effects. It depends on individual differences and

conditions, such as distance to the subject, or if the subject does not look at the pre-strobe.

On

The flash is always fired to reduce the red-eye phenomenon.

Off

Does not use [Red Eye Reduction].

Notes

z

What causes the red-eye phenomenon?

Pupils become dilated in dark environments. Flash light is reflected off the blood vessels at
the back of the eye (retina), causing the “red-eye” phenomenon.

Camera

Eye

Retina

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