The Sigma SD1 is a professional APS-C DSLR featuring the 46 MP Foveon X3 Merrill sensor — the highest resolution APS-C DSLR at launch — in a rugged body compatible with the full Sigma SA lens lineup. It delivers extraordinary image quality with true three-layer color capture compared to conventional Bayer sensor cameras. The SD1 is the flagship camera in Sigma's SD DSLR series.
Product released: June 1, 2011
Latest firmware version
Version 1.14, released April 23, 2014
Verified by LatestUpdate: June 18, 2026
What's new in version 1.14
Accuracy of Auto Focus is improved by enhancement of the algorithm.Please use a dedicated AC adapter or a fully charged battery.Do not open the BATTERY/CARD COVER or operate the camera during the firmware update.Do not turn off the camera during the firmware update.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).
The Sigma SD1 is a professional APS-C DSLR featuring the 46 MP Foveon X3 Merrill sensor — the highest resolution APS-C DSLR at launch — in a rugged body compatible with the full Sigma SA lens lineup. It delivers extraordinary image quality with true three-layer color capture compared to conventional Bayer sensor cameras. The SD1 is the flagship camera in Sigma's SD DSLR series. It was originally released on June 1, 2011.
What is the latest firmware version for the Sigma SD1 Camera?
The latest firmware version for the Sigma SD1 Camera is 1.14. It was released on April 23, 2014.
What changed in Sigma SD1 Camera firmware version 1.14?
Sigma SD1 Camera firmware version 1.14 includes the following changes: Accuracy of Auto Focus is improved by enhancement of the algorithm.Please use a dedicated AC adapter or a fully charged battery.Do not open the BATTERY/CARD COVER or operate the camera during the firmware update.Do not turn off the camera during the firmware update.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 finis...
How do I update the Sigma SD1 Camera firmware?
To update the Sigma SD1 Camera firmware, download the latest version (1.14) from Sigma's website. Follow Sigma's installation instructions, which typically involve copying the firmware file to a memory card or connecting via USB. You can download the latest firmware from Sigma's support page.
Where can I download the latest Sigma SD1 Camera firmware?
Details and download instructions for the latest Sigma SD1 Camera firmware (version 1.14) are on Sigma's official release page: https://www.sigma-global.com/en/support/firmware/sd1/
How do I check for Sigma SD1 Camera firmware updates?
You can track Sigma SD1 Camera firmware updates automatically on LatestUpdate.io. We monitor Sigma's releases and notify you when new firmware versions are available, so you never miss an update.
Who makes the Sigma SD1 Camera?
The Sigma SD1 Camera is manufactured by Sigma. Visit the official product page for more information.