Canon has released a new firmware update for the Canon EOS 5D Mark III digital SLR camera. Version 1.2.1 - which was first announced in October 2012 - incorporates no less than 15 improvements and fixes including uncompressed HDMI output, auto-focus capability with lens-teleconverter combinations whose combined maximum aperture is f/8, improved focus acquisition when using a Canon Speedlite’s AF-assist light, lens compensation data for the EF24-70mm f/4L IS USM lens, improved communication with the WFT-E7 wireless file transmitter, and much more. You can download the firmware upgrade from the website below.

Website: Canon UKhttp://www.canon.co.uk/Support/Consumer_Products/products/cameras/Digital_SLR/EOS_5D_Mark_III.aspx?type=download&page=1

Canon Press Release

EOS 5D Mark III 1.2.1 firmware available

Canon has announced a new firmware update – Version 1.2.1 – for the EOS 5D Mark III DSLR, which includes features for enhanced shooting and improved video workflow, is now available to download. Details of the exact firmware fixes and improvements are shown below…

EOS 5D Mark III firmware version 1.2.1

Firmware Version 1.2.1 for the EOS 5D Mark III incorporates the following improvements and fixes:

Uncompressed HDMI output is now enabled.

Enables the centre AF point to autofocus when the camera is used with Canon EF lens/extender combinations whose combined maximum aperture is f/8.

Improves the speed of the camera’s acquisition of focus when using a Canon Speedlite’s AF-assist beam.

Fixes a phenomenon in which the LCD monitor may freeze and display ‘Err 70’ or ‘Err 80’ when a still photo is taken during Live View or in movie shooting mode.

Fixes a phenomenon that may occur when the continuous shooting priority setting is enabled for multiple exposures, such that, after the sixth image is taken, there is a slight pause before the remainder of the sequence is completed.

Fixes a phenomenon in which the viewfinder display shows incorrect information during AEB shooting.

Communication with the WFT-E7 Wireless File Transmitter has been improved.

When images have been successfully transferred with the WFT-E7 Wireless File Transmitter through the FTP protocol an ‘O’ will be displayed. When images have not been successfully transferred with the WFT-E7 Wireless File Transmitter through the FTP protocol, an ‘X’ will be displayed.

Fixes a phenomenon in which the camera may not function properly when an Eye-Fi card is used.

Fixes a phenomenon in which the focal length value listed in the Exif information is not displayed correctly for images shot with the EF24-70mm f/4L IS USM lens.

Fixes a phenomenon in which the lens firmware cannot be updated properly.

Corrects errors in the Arabic language menu.

Fixes a phenomenon in which the camera changes the AF microadjustment value to -8.

The lens compensation data for the EF24-70mm f/4L IS USM lens has been added.

Fixes a phenomenon in which the on-screen guidance cannot be fully displayed when setting the maximum limit value for the ‘Setting the ISO Speed Range for Auto ISO’ option.

Firmware Version 1.2.1 is for EOS 5D Mark III cameras with firmware up to Version 1.2.0. If the camera's firmware is already Version 1.2.1, it is not necessary to download this firmware. To find out more and download the firmware please click here and enter your country and product details. Please read all of the instructions before downloading the firmware.

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