EOS 1D Mark IV Firmware

EOS 1D Mark IV Firmware - Software for correcting video mode errors

The EOS 1D Mark IV Firmware is a software for correcting video mode errors, improving the read / write speed for CF cards and correcting spelling errors in the menu system.

In addition, this firmware also fixes the phenomenon that movie recording mode may be deactivated when the following situations occur:

• When using a high capacity CF card (32GB or higher) with less remaining data.
• When the battery is removed and then reinsert in the camera, the user immediately uses the camera to record video.

Tuyet Mai (According to Canon)