Canon EOS-1D Mark II Firmware Update Version 1.1.0This firmware update (version 1.1.0) includes the following additional functons and improvements:
1. Improvements to AF tracking in AI Servo AF.
2. Reduced the time between when the camera is turned on and when it is ready to shoot.
3. Support added for the wireless file transmitter WFT-E1.
Canon EOS-1Ds Mark II Firmware Update Version 1.0.3This firmware update (version 1.0.3) includes the following additional functions and improvements:
1. Improvements to AF tracking in AI Servo AF.
2. Reduction in color differences between RAW and JPEG thumbnail images.