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Canon EOS 5D Mark IV firmware update 1.0.4 released today, but it’s not what we were waiting for

Eos 5d Mark V
The Canon EOS 5D Mark IV

Canon released firmware 1.0.4 for the Canon EOS 5D Mark IV. It’s not the rumored update with the new 4K mode. This is a minor update with fixes. Download Canon EOS 5D Mark IV firmware 1.0.4 here.

Changes in the Firmware. Firmware Version 1.0.4 incorporates the following fixes and improvements:

1. Fixes a phenomenon in which a red-colored area may appear at the bottom-center 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.

Firmware Version 1.0.4 is for cameras with firmware Version 1.0.3 or earlier. If your camera’s firmware is already Version 1.0.4, 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.

The firmware update takes approximately 4 minutes.

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