Most cameras have a manual control options in the settings. With these you can usually change where the focus is in the image. Most commonly, digital cameras use a combination a distance sensing and light sensing to choose where to focus. If you make the focus point ALWAYS the center, then you should be be able force the camera.to take photos in the ' not so perfect' way.
"A weapon without a name is nothing; Just another hunk of steel, wood, or what have you. A weapon with a name is more. It is a partner, a friend, and a comrade to the end"