Update: Rob Galbraith has received word from one reader that 1d Mark IV v1.1.0 firmware has rendered a camera unusable. As with all firmware updates, please proceed with caution especially if you have a camera that is out of warranty and you do not have a backup.
Canon 1D Mark IV v1.1.0
This firmware update (Version 1.1.0) incorporates the following improvements and fixes.
- Improves the writing/reading speeds when using UDMA 7-compatible CF cards.
- Fixes a phenomenon that occurs when using high-capacity (32 GB or greater) CF cards: If either a CF card with only a little available space remaining or the battery is removed and then reinserted into the camera, and then the user attempts to start shooting movies immediately, shooting may stop.
- Corrects some mistakes in the menu screens displayed in Arabic and Portuguese.
The update and instructions for installing it is available from the EOS-1D Mark IV’s Drivers & Software page on the Canon USA website.
Canon 5D Mark II v2.0.9
This firmware update (Version 2.0.9) incorporates the following improvements and fixes.
- Improves the writing/reading speeds when using UDMA 7-compatible CF cards.
- Fixes a phenomenon that occurs when custom function C.Fn III-2 is set to [5: IS start] to assign IS start to the AF stop button on the lens: When used with lenses that do not have an AF stop button, the IS function will not work.
- Corrects some mistakes in the menu screens displayed in Arabic, Portuguese, Spanish, and Thai.
The update and instructions for installing it is available from the EOS 5D Mark II’s Drivers & Software page on the Canon USA website.