Another excellent article by Digital Photography School.

Digital Cameras present photographers with an ever increasing array of Automatic and Semi Automatic shooting modes. Most of these center around different ways of exposing your shots – however many cameras also give options for different focusing modes (auto, continuous focusing for moving subjects and manual).

When is Manual Focus Better than Auto Focus?

Let me start by saying there is no right or wrong time to use either manual or auto focusing – both can produce great results in almost all circumstances – however there are a few times when you might find it easier to switch to manual focusing:

Read the article here