PDAF

PDAF: Phase Detection Auto Focus

PDAF function is the high speed auto focus technology.
This technology has the following merits compared with a conventional one (contrast AF).

Phase Detection Auto Focus

Phase Detection Auto Focus

Conventional

Contrast AF search

PDAF provides amazing quick and accurate focusing by every frame detection.

Useful Case1 Focusing to fast moving object

Object direction [Contrast AF search: Wrong search direction (near or far) Can't track the change of direction] [Ideal Phase detection AF: Can measure object distance on every frame]

Useful Case2 Focusing in case of rapid scene change between near and far

Near Object, Far Object [Contrast AF search: Need Search Step] [Ideal Phase detection AF: Can move object position directly]