The red-eye effect in photography is the common appearance of red pupils in color .... Using the red-eye reduction capabilities built into many modern cameras .
The appearance of red eyes in pictures, known as the "red-eye effect," occurs when a camera captures light reflecting from the retina at the back of your subject's ...
Aug 30, 2016 ... Many cameras have a anti-red-eye mode that fires off quick flash bursts before the actual flash in order to cause the iris muscles to contract ...
Jul 28, 2014 ... A red reflex is produced when the flash of a camera lights up the blood-rich retina . If the eyes are looking directly at the camera lens and the ...
Red eye occurs when you use your camera's flash in a poorly-lit environment, like in a dark room, nightclub, or outdoors at night. In the dark, people's pupils ...
May 12, 2011 ... The red-eye effect appears when flash photography is used at night ... of the eye's biology interacting with the camera's lighting mechanism.
Taking flash pictures of someone often gives their eyes a scary-looking red glow. You'll find out why in this Science Update.
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It has to do with the flash reflecting off of the retina of the eye. When someone looks directly into a flash camera lens, it can reflect off the retina and appear red in ...