1D Mark IV Firmware Update Coming

Announcement regarding AF tracking performance of the EOS-1D Mk IV As a result of further enhancement, Canon is working to release a firmware update for the EO

via Canon Rumors: http://www.canonrumors.com/2010/01/1d-mark-iv-firmware-update-coming/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+canonrumors%2Frss+%28Canon+Rumors%29