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post #4730 of (permalink) Old 06-30-2013, 12:44 AM
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Join Date: Aug 2006
Location: at Tanagra
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Re: Funny Fotos #6

Originally Posted by latso View Post
anyone believes these pupils that wide coz of flash?
Pupils enlarge in the dark to let in more light. If a flash were to have any effect on pupils it would be to cause them to become smaller, but the timing of the flash and image capture is probably too well synchronized for there to be any time for the pupils to have reacted before the image is captured. In other words, he's in a dark place and in dark places your pupils are larger to help you see. The flash has nothing to do with it.
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