Sony NEX-7K - Manual (Page 121)

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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 with [Smile Shutter].
• 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 looked away from 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