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I Think its because the fflash can reflect of the persons eye and back into the lense..? Not 100% sure though, hope this helps
That's correct!
Wiki User
∙ 13y ago
Wiki User
∙ 12y agoWhile taking a photo with a camera that uses a flash, sometimes the flash reflects on the eyeball, making it appear to be red. This is called 'Red-Eye.'
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How did red eyed tree frogs get their name?
Their eyes appear to be red sometimes.
Why do dogs appear to have glowing blue eyes in flash photographs and not red eyes like human?
because dogs see differently than humans
Why do dogs appear to have glowing blue eyes in flash photographs and not red eyes like humans?
Because dogs see differently then humans. Might show up in pictures you take.
Why does Antractica water sometimes appear red?
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Red Eyes Shadows Lighting/Flash Creepy Smile
Why does water sometimes appear red?
Well, technically the only way It can appear red is if there are sources of (generally light) that are red in color. You said sometimes so If you've been seeing red water at around sunrise/set its because of the sun. At the moment I cant currently think of any reason why water would sometimes appear red...
Does rabbit have red or brown eyes?
Some white rabbits have red eyes (an albino bunny!). Most rabbits I think have brown eyes. My rabbit's eyes sometimes look red in the dark but her eyes are brown. Hope this helps:)
Why does a red flower appear red?
Red objects (including, if you were wondering, red flowers!) appear red because they reflect only red light, absorbing all other colors. Your eyes process that reflected light, creating an image of a lovely red flower.
What episode of yugioh GX does red eyes zombie dragon appear?
The Red Eyes Zombie Dragon was a 5Ds card. Not a GX card. It has yet to show up in the anime.
Where do you find Kakuna in Pokemon Red?
Kakuna can sometimes appear in Viridian Forest.
What causes red eye in photographs?
The bright light from the flash reflects off the back of the eye where there are a great many blood vessels, this makes the light appear red as it is reflected back out of the eye.
