For the rest of us just simply appreciating the camera for its raw abilities, the AF performance has been increased to allow for appropriate functionality even when shooting with a extender up to a maximum aperture of f/8. (currently compatible with maximum apertures up to f/5.6) This is great news for wildlife and sports shooters, as this camera will be much more capable in those fields due to this update. (via Firmware Update for the EOS 5D III Provides Uncompressed HDMI Output)

For the rest of us just simply appreciating the camera for its raw abilities, the AF performance has been increased to allow for appropriate functionality even when shooting with a extender up to a maximum aperture of f/8. (currently compatible with maximum apertures up to f/5.6) This is great news for wildlife and sports shooters, as this camera will be much more capable in those fields due to this update. (via Firmware Update for the EOS 5D III Provides Uncompressed HDMI Output)

Source: thephoblographer.com