The primary camera
offers phase detection auto focus (PDAF), LED flash, auto HDR and optical image stabilization (OIS), while the secondary camera comes with auto - focus and auto HDR.
Not exact matches
The module uses advanced PDAF (
Phase Detection Auto Focus) technology, which claims to
offer faster
focusing and capture even more details it is possible on a 13MP module.
In the photography department, the Redmi 4A
offers a 13 - megapixel rear snapper with f / 2.2 aperture and
phase -
detection auto -
focus (PDAF).
The front camera
offer f / 2.2 aperture, LED tone flash and
phase detection auto -
focus
The rear camera has a
Phase Detection Auto -
Focus support, which means it should
offer quicker
focusing, although, that doesn't seem to be the case here.