I have replaced the mainboard on my 5D Mark II and need to calibrate the autofocus. It is off beyond the
autofocus micro adjustment range.

Thank you for the response and I completely understand. I did end up purchasing the essentials version as I still have the original main board. I am hopeful that pulling the camera and digital data will get me back.
Thank you again.

After pulling both data files and loading to the replacement board, AF is now p [...read more]