Re: Canon 1D mark IV firmware updates HELP In reply to Wright Photography • Apr 7, 2016 I think the problem is the extraction.You need to remove the firmware file from the folder and place it on the CF card directly.

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. Firmware 2.0.7 for the 1D-X also fixes a couple of issues, including a problem with vertical lines appearing when long exposures are used. Read more Firmware Version 1.1.5 is for cameras with Firmware Version 1.1.4 or earlier. If your camera's firmware is already Version 1.1.5, it is not necessary to update the firmware. When updating the firmware of your camera, please review the instructions thoroughly before you update the firmware. Preparations for the Firmware Update: Windows

All forums Canon EOS-1D / 5D / 6D Talk Change forum. Canon EOS 5D Mark IV 120 fps Full HD shooting with 1.3.0 firmware update

EOS R5 Firmware Update, Version 1.3.0. Firmware Version 1.3.0 for the EOS R5 incorporates the following fixes and enhancements: Adds Canon Log 3 to Canon Log settings. You can select [Canon Log] or [Canon Log 3] from [Canon Log settings] in the Shooting tab of the menu. Support for RAW movies shot with Canon Log3 and RAW (Light) will be
Shot-to-shot cycle times in the Canon 1D Mark IV's single-shot mode were extremely fast at 0.29 second for Large/Fine JPEGs, 0.27 second for RAWs and 0.30 second for RAW + L/F JPEGs. Continuous
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canon 1d mark iv firmware update