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How Autofocus Works - Computerphile

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Published on Feb 14, 2020

Why are some cameras faster to focus than others? Dr Andy French explains the different approaches the computers inside cameras use to focus.

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This video was filmed and edited by Sean Riley.

Computer Science at the University of Nottingham: https://bit.ly/nottscomputer

Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com

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