Canon EOS 50D firmware update 1.0.6

http://web.canon.jp/imaging/eosd/firm-e/eos50d/firmware.html

更新內容如下：

1. Supports the AF assist beam feature of the new flash, Speedlite 270 EX, which is scheduled to be released in April 2009.
2. Changes the error indications that are displayed on the camera.
3. Addresses the vertical banding noise phenomenon.