Download Firmware:Download Canon EOS 5D Mark II Firmware: Canon EOS 5D Mark II Firmware Version 1.2.4 Release Notes:Firmware Version 1.2.4 incorporates the following improvements and fixes.
- Supports the WFT-E4 II wireless file transmitter that was released in December 2009.
- Corrects a phenomenon in which visible noise may appear in images taken by continuous Bulb shooting.
Firmware Version 1.2.4 is for cameras with firmware up to
version 1.1.0. If the camera's firmware is already version 1.2.4, it is not
necessary to update the firmware.
In addition, after the firmware is updated, if the WFT-E4 or WFT-E4 II wireless file transmitter is used with the camera, the indications that appear under [Communication mode] on the [WFT settings] menu are changed as follows:
- FTP -> FTP trans
- PTP(PC) -> EOSUtility
- HTTP -> WFTserver
- HTTP account -> WFT account
If you are setting the WFT-E4 II by using a computer, please download and use the dedicated WFT Utility application.
For details on how to download WFT Utility, please go to the software download pages. Latest Canon EOS 5D Mark II Prices: | 
