This just came in from Dpreview.com – very exciting news.
“Canon has announced a firmware update for its EOS 5D Mark II digital SLR enabling manual exposure when shooting videos. With the updated version, users will be able to manually adjust the shutter speed, aperture and ISO settings in the video mode. The new firmware will be available for download on 2 June 2009 from Canon’s website.
Allowing EOS 5D Mark II owners to achieve even more stunning video results with the camera, the firmware update will include the following manual controls when shooting video:
- Full aperture selection
- ISO speed: Auto, 100 – 6400 and H1
- Shutter speed: 1/30th – 1/4000th second
The EOS 5D Mark II integrates full HD movie capability into a high-end 21.1 Megapixel camera; opening a multitude of new possibilities for photojournalists and news photographers.  Since its launch the camera has proved its appeal to professionals working in diverse fields, from studio and wedding to nature and travel. Now, following customer feedback, Canon has improved functionality for professional video users, further unleashing the potential of the EOS 5D Mark II for cinematographers and photographers alike.”