EOS 5D Mark IV firmware update

Firmware Version 1.0.4 for the EOS 5D Mark IV incorporates the following fixes and improvements:
1. Fixes a phenomenon in which a red-coloured area may appear at the bottom-centre of a captured image when shooting in bulb mode or during a long exposure.
2. Fixes a phenomenon in which the autofocus may not respond when the autofocus is initiated via pressing the shutter button, the AF-ON button or the AE lock button when configured in the custom control menu.
3. Enhances the reliability of communications between the camera and SD card.
4. Fixes incorrect wording on the Finnish language menu screen.

The firmware can be downloaded at:
http://www.canon.co.uk/support/

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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