На официальном сайте доступна новая прошивка EOS 5D Mark II Firmware Update Version 2.0.7
Изменения (их немного и они незначительны):
The following improvements and fixes have been incorporated.
Fixes a phenomenon in which the aperture exhibits abnormal movement
when shooting movies in manual exposure mode and Aperture Priority AE
(Av mode) using some Canon lenses (such as macro lenses). Supplemental
Information: This phenomenon involves the aperture of the lens
exhibiting abnormal movement when the focusing ring moves (during
focusing). For zoom lenses with variable maximum apertures, the aperture
changes when the zoom ring is operated (during zooming), but this is
normal behavior, where the effective aperture changes according to the
focal length (the zoom position).
2. Fixes a phenomenon in which
the exposure level shown in the LCD panel differs from what is shown in
the viewfinder when shooting still images in manual exposure mode.
Fixes a phenomenon in which the Wireless File Transmitter (WFT-E4 or
WFT-E4 II) may not automatically power off when used for FTP transfers.