Fix to overexposure issues released
The latest firmware update, version 1.08, for the Canon EOS 60D fixes an issue with the camera over exposing when using the built in flash or speedlite on the following lenses; EF300/4 L IS USM, EF28-135/3.5-5.6 IS USM, EF75-300/4-5.6 IS USM, EF100-400/4.5-5.6 L IS USM.
To download the update head to Canon’s website