I cannot upgrade the firmware in my camera. my macbookpro (late 2013) is running osx 10.9.2, with the lates eos utility 2 (3.14). i connect my 5d mark iii, and it does not show up in the finder. i can download files with the eos utiliy, but since i can't see the cf folder in the finder, i cannot copy the firmware upgrade to the camera to. Eos 5d mark iii firmware version 1.3.3 firmware update version 1.3.3 for the eos 5d mark iii incorporates the following improvements and fixes: improves the af controllability when shooting in live view using a wide-angle (single focal length or zoom) lens.. - it is recommended that the latest application software*1 be used, once the eos 5d mark iii is updated to the new firmware version 1.2.0 (or later) from older firmware (versions 1.0.7 through 1.1.3)..
Canon has released firmware updates for its eos 5d mark iii and eos-1d x dslrs. both updates claim to improve the user's ability to control autofocus in live view mode when wide angle lenses are used.. Eos 5d mark iii support. register product. drivers & downloads; faqs & troubleshooting; canon-made application for browsing, selecting, and developing raw images. firmware updates. make sure you are using the latest firmware. eos 5d mark iii firmware version 1.3.5 [mac os x] for macos v10.12. Download drivers, software, firmware and manuals for your canon product and get access to online technical support resources and troubleshooting. eos 5d mark iii - support - download drivers, software and manuals - canon europe.