Center point auto focus. The camera will focus well for a while. Then the focus fails from time to time when pushing shutter 1/2 way down. When if fails the center point led doesn't light and the focus ring does not move.
Sometimes the focus starts working again. Other times I have to turn the camera on and off again.
Usually the focus point during failures are faces.
Any body have any ideas? Back to Canon with the camera? It's under warranty.
