From <http://www.colorpilot.com/redeye_effect.html>
"When you take photos of animals, the red eye effect can be quite
different. Animals have a reflective layer in the back of their eyes
behind the retina called the tapetum. This layer enhances their night
vision. The colour of the tapetum gives you blue, green, yellow, or
white eye effect. With animals, the effect can have place even when the
ambient light is sufficient to prevent it in humans."
Chuck Norcutt
Fernando Gonzalez Gentile wrote:
> Done yesterday with your well-known healed Stylus 720SW, Macro mode at
> full length zoom, and Flash in Fill mode.
>
> Amazing, its left eye came light-blue, not red !!. Why so !?
>
> Little curves adjustment and sharpen done in Lab mode, converted back to
> sRGB.
> Brightness needed to be lowered since flash overexposed.
>
> 1024 x 770 pixel.
>
> <http://www.flickr.com/photos/fernando_gonzalez_gentile/3278082141/sizes/l/>
>
> Comments welcome.
>
> Fernando.
>
>
>
>
>
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