You may also try cleaning the lens of your camera with rubbing alcohol and a lint free cloth or rotating the focus ring on the camera; see owners manual for location of focus ring. If the lens is dirty or has moisture or the focus ring is not correctly adjusted the picture will appear blurry.
It will never break. Reason being is that the 2005 Ford Focus has a cam chain and not a belt. The cam chain is designed to last the life of the engine.
The 2011 Ford Focus has double overhead cam (DOHC).
The 2001 Ford Focus has double overhead cam (DOHC).
The 2008 Ford Focus has double overhead cam (DOHC).
The 2010 Ford Focus has double overhead cam (DOHC).
The 2014 Ford Focus has double overhead cam (DOHC).
The 2013 Ford Focus has double overhead cam (DOHC).
The 2004 Ford Focus has double overhead cam (DOHC).
The 2009 Ford Focus has double overhead cam (DOHC).
The 2005 Ford Focus has double overhead cam (DOHC).
The 2003 Ford Focus has double overhead cam (DOHC).