EOS

Firmware Version 2.0.3 incorporates five enhancements to the
movie function and a fix to the manual sensor cleaning function
of the EOS 5D Mark II camera.
1. Adds or changes the following movie frame rates
      NTSC:
        1920×1080:30 fps (changed – actual 29.97fps)
        1920×1080:24 fps (added – actual 23.976 fps)
        640×480:30 fps (changed – actual 29.97fps)
      PAL:
        1920×1080:25 fps (added – actual 25.0 fps)
        1920×1080:24 fps (added – actual 23.976 fps)
        640×480:25 fps (added – actual 25.0 fps)
2. Adds a function for manually adjusting the sound recording level (64 levels).
3. Adds a histogram display (brightness or RGB) for shooting movies in manual exposure.
4. Adds shutter-priority AE mode (Tv) and aperture-priority AE (Av) mode to the exposure
      modes for shooting movies.
5. Changes the audio sampling frequency from 44.1 KHz to 48 KHz.
6. Fixes a phenomenon where communication between the camera and the 
      attached lens is sometimes interrupted after manual sensor cleaning.
      (This phenomenon only affects units with Firmware Version 1.2.4.)

下載位置：
https://web.canon.jp/imaging/eosd/firm-j/eos5dmk2/firmware.html

或

https://www.usa.canon.com/consumer/controller?act=ModelInfoAct&tabact=DownloadDetailTabAct&fcategoryid=314&modelid=17662