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SIGMA Photo Pro Software
Version 5.2.1 for Windows and Version 5.2.1 for Macintosh Software
[12/3/9]
SIGMA SD1 lens information is now available to download.
This information can be used by the camera to recognize lenses and make micro adjustments to the focusing point.
Warning!
This lens information update should be applied to any SD1 camera that has lens information "Ver.1.01".
* If your camera already has lens information "Ver.1.02", you do not need this update.