Video: How phase detection autofocus works

Have you ever wondered how your DSLR's autofocus works? Wonder no more! YouTuber ZY Productions has created a succinct video that details how phase detection autofocus (PDAF) systems work inside DSLR cameras. As noted in the video, the phase detection autofocus mentioned in this video applies specifically to DSLRs, since it relies on a dedicated autofocus sensor and a translucent section of a DSLR's mirror to achieve focus -- components you won't find inside a mirrorless camera. The exact type o...