This article explains everything you need to know about the Raspberry Pi camera autofocus.
It applies to all Raspberry Pi Models (Pi 3, Pi 4, Pi Zero, Compute Module, and all others), and all Raspberry Pi camera modules (V1.3, V2.1, HQ).
So let’s dive right in and clarify this issue once and for all.
Here is the definition of autofocus from Wikipedia:
An autofocus (or AF) optical system uses a sensor, a control system, and a motor to focus on an automatically or manually selected point or area.
Easily, we get all the answers we need. …