Sigma Corporation is pleased to announce that firmware SIGMA SD1 and SIGMA SD1 Merrill is available for download.

Benefits of the firmware update

SIGMA SD1 firmware [Ver.1.14]
・Accuracy of Auto Focus is improved by enhancement of the algorithm.
Caution:
Once you update the firmware of SD1 to Ver. 1.10, it is necessary to install Sigma Photo Pro 5.5 to develop the RAW images. The previous versions (Sigma Photo Pro 5.4.1 or earlier) cannot process it properly.
This firmware update requires two files, SD1U_114.BIN and SD1V_114.BIN. Firstly, please download and save those files on a CF card.
For firmware Ver. 1.08 or earlier, there are 2 steps to complete the firmware update. Once you finish the first step (STEP 01 – STEP 10), please proceed to the second step (STEP 11 – STEP 14).

SIGMA SD1 Merrill firmware [Ver.1.09]
・Accuracy of Auto Focus is improved by enhancement of the algorithm.

SIGMA SD1 firmware Ver.1.14 is available for download at the following site.
http://www.sigma-sd.com/download/sd1-firmware.html

SIGMA SD1 Merrill firmware Ver.1.09 is available for download at the following site.
http://www.sigma-sd.com/download/sd1m-firmware.html