Firmware update notice for EOS 5D Mark IV

Canon has posted a message saying that the release of firmware to enhance functions of the EOS 5D Mark IV, originally scheduled for 29 November 2017, has been postponed until late February 2018 for reasons related to firmware preparation.

The planned firmware update will incorporate the following changes:

1) Support will be added for chromatic aberration correction, peripheral illumination correction, distortion correction, and Digital Lens Optimizer when using Digital Photo Professional to process RAW images captured with the following TS-E lenses:
TS-E 17mm f/4L
TS-E 24mm f/3.5L II
TS-E 50mm f/2.8L MACRO
TS-E 90mm f/2.8L MACRO
TS-E 135mm f/4L MACRO

2) It will fix a phenomenon in which standard exposure* may not be obtained, or an irregular exposure may result, when Silent LV (Live View) shooting with the following TS-E lenses:
TS-E 50mm f/2.8L MACRO
TS-E 90mm f/2.8L MACRO
TS-E 135mm f/4L MACRO
3. Support for Exif 2.31 will be added.

*This phenomenon occurs when tilt or shift is applied on a TS-E lens during LV shooting when Silent LV shooting is set (set to Mode 1 or Mode 2 on the menu). For this reason, until the firmware update, when performing viewfinder shooting or LV shooting, shoot with the Silent LV shooting set to [Disable].

More EOS firmware updates

Canon released a number of firmware updates in March 2024, as follows: EOS R3 – version 1.7.1 1. Enables servo zooming to be remotely controlled from EOS Utility or Camera Connect when Power Zoom Adapter PZ-E2/PZ-E2B is attached to a compatible lens. 2. Enables up to 2 TB to be used on CFexpress cards larger than 2 TB. 3. Fixes an issue that may cause the camera, in rare instances, to stop functioning when using GPS. 4. Fixes an issue that may display Error Code 70 when performing anti-flicker shooting at a shutter speed of 1 second or higher. 5. Enhances security for FTPS (File Transfer Protocol Security) connections. 6. Fixes an issue in which Mobile File Transfer may not function when connecting the camera to an iPhone compatible with USB 3.0 and higher. 7. Fixes an issue that, under specific circumstances, may prevent the image from being displayed in the viewfinder or on the screen causing the camera to stop operating, or Error Code 70 may be displayed. 8. Fixes minor issues. EOS

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