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Old Dec 23, 2010, 7:22 PM   #1
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Default How does Auto Focus work ?

Could someone explain in layman terms how auto focus works ? It still amazes me how quickly and accurately today's digital cameras can lock on something (and take a photo).

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Old Dec 23, 2010, 7:30 PM   #2
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See http://en.wikipedia.org/wiki/Autofocus
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Old Dec 23, 2010, 8:18 PM   #3
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Fascinating. Thanks for the link.
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