Lecture 16: Cameras and Lenses (127)
DaddyGang

Retail digital cameras actually employ this technique! https://www.digitaltrends.com/photography/camera-autofocus-guide/

Debbieliang9

I think the slide explains the definition of "being in focus," but I still don't understand how this is implemented automatically? Do the cameras just detect if the object that maps to the middle of the sensor is "in focus"?

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