The Sigma SD9 is an APS-C DSLR and one of the first commercially available cameras to use a Foveon X3 direct image sensor, capturing full color data at each pixel location rather than interpolating via a Bayer filter. It features a 3.54 MP Foveon sensor (10.29 MP total) and Sigma SA lens mount compatibility. The SD9 was the first Sigma DSLR and launched the SD series.
Product released: November 1, 2002
Latest firmware version
Version 1642, released November 27, 2003
Verified by LatestUpdate: June 18, 2026
What's new in version 1642
Reduced tendency to highlight blowouts and “blooming” in overexposed long – exposure shots.Several bugs fixed.
The Sigma SD9 is an APS-C DSLR and one of the first commercially available cameras to use a Foveon X3 direct image sensor, capturing full color data at each pixel location rather than interpolating via a Bayer filter. It features a 3.54 MP Foveon sensor (10.29 MP total) and Sigma SA lens mount compatibility. The SD9 was the first Sigma DSLR and launched the SD series. It was originally released on November 1, 2002.
What is the latest firmware version for the Sigma SD9 Camera?
The latest firmware version for the Sigma SD9 Camera is 1642. It was released on November 27, 2003.
What changed in Sigma SD9 Camera firmware version 1642?
Sigma SD9 Camera firmware version 1642 includes the following changes: Reduced tendency to highlight blowouts and “blooming” in overexposed long – exposure shots.Several bugs fixed.
How do I update the Sigma SD9 Camera firmware?
To update the Sigma SD9 Camera firmware, download the latest version (1642) 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 SD9 Camera firmware?
Details and download instructions for the latest Sigma SD9 Camera firmware (version 1642) are on Sigma's official release page: https://www.sigma-global.com/en/support/firmware/sd9/
How do I check for Sigma SD9 Camera firmware updates?
You can track Sigma SD9 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 SD9 Camera?
The Sigma SD9 Camera is manufactured by Sigma. Visit the official product page for more information.