Canon updates firmware for EOS 50D, 450D & 1000D
Posted on April 27, 2009
below are the links
1st eos 50D
2nd eos 450D
3rd eos 1000D
http://web.canon.jp/imaging/eosd/firm-e/eos50d/firmware.html
http://web.canon.jp/imaging/eosd/firm-e/eosdigital4/firmware.html
http://web.canon.jp/imaging/eosd/firm-e/eosdigital5/firmware.html