Amazing Photography

#birds #flight #optical illusion #video

Floaty Bird: When a Camera’s Frame Rate Matches a Bird’s Flapping Wings

July 18, 2017

Christopher Jobson

When reviewing the security footage from outside his house in Austin, Texas, Al Brooks spotted an unusual sight: a bird seems to hover past the camera with its wings completely stationary. Of course it wasn’t really hovering (and no, it’s not suspended by strings) but rather the frame rate of the camera matched the flaps of the bird’s wings perfectly resulting in a stroboscopic illusion. This is the same stroboscopic effect you might see in a video of airplane propellers that aren’t moving or when the wheels on a car appear to be frozen. (via Swiss Miss, Neatorama)

 

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