Autofocus for GEEKS: Phase vs Contrast (WARNING: Intense detail)

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Tony gets DEEP into how mirrorless and DSLR cameras autofocus with Contrast-detect autofocus (CDAF) and Phase detect autofocus (PDAF). You'll understand why DSLRs sometimes need micro-adjustments, why CDAF is slower (but more precise), and why CDAF cameras (like the Panasonic GH5 and S1) have focus that hunts in and out when recording video.
Music: share.epidemics...