Episode 43: Autofocus with Rishi Sanyal

May 24th, 2019  •  38 mins 8 secs  •  Download (17.5 MB)  •  Link with Timestamp

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You rely on your camera’s autofocus feature, but how does it work? Phase-detection, contrast-detection, machine-learning algorithms, AF-C, AF-S… autofocus quickly becomes a complicated subject for any photographer to keep straight while shooting. Rishi Sanyal, Science Editor at, joins us for this breakdown of autofocus works and how you can use it more effectively.