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Macro Pupil Constricting in Slow Motion – The Slow Mo Guys
British people are not known for great eye contact, but Gav steps up his game by looking deeply into Dan’s eyes… From about 2 millimeters away to find out how quickly a pupil constricts.
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The Speed of Pupil Dilation – The Slow Mo Guys
Filmed at 1000fps and 500fps with a Phantom Flex 4K
