Canon has released firmware updates for 3 of their digital SLR cameras. The Canon EOS 5D has been advanced to version 1.0.5, the Canon EOS 30D has been updated to version 1.0.4, and the Canon EOS 1D Mark II N receives a version 1.0.4. The firmware updates address a variety of issues, from Chinese language problems (EOS 30D) to fixing a monochrome issue bug (EOS 5D and 1D Mark II N) and improving performance with the Speedlite 580EX (EOS 5D).
