Canon Releases Firmware for EOS 7D to Correct Ghosting Problem
Nov 5, 2009
The new firmware, called Version 1.1.0, is available for free download from Canon's support site. You can access it by clicking here.
Canon's details on the new firmware are below.
"Firmware Version 1.1.0 incorporates the following fixes. Corrects a phenomenon that in images captured by continuous shooting, and under certain conditions, barely noticeable traces of the immediately preceding frame may be visible.
Firmware Version 1.1.0 is for cameras with firmware up to version 1.0.9. If the camera's firmware is already version 1.1.0, it is not necessary to update the firmware."