3月26日发布 1.04 fireware，可以提高自动对焦的速度。

http://www.sigma-photo.co.jp/english/news/info_100319.htm

The Sigma Corporation is pleased to announce that firmware Ver.1.04 for the DP2 will be available on 26th March, 2010.

SIGMA DP2 firmware [Ver.1.04]
Benefits of the firmware update

Higher auto focusing speed
We will post further information regarding service procedure and time-scales in due course.

值得期待

什么时候DP1S能出新的fireware,等DP2更新的测试。