Notice to customers using Panasonic Corporation’s camera bodies The firmware available on this website is only compatible with Panasonic camera bodies. It is not possible to use it for Olympus Corporation’s camera bodies. There is a "LICENSE AGREEMENT " you will have to agree to before download the firmware program. This license agreement must be agreed by you, before you will be allowed to download, install and use this program.
The firmware update program for SIGMA's Micro Four Thirds mount lenses (For Panasonic cameras)
SIGMA 30mm F1.4 DC DN Firmware Version 1.2 [17/1/31] Description
SIGMA 30mm F1.4 DC DN Firmware Version 1.1 [16/4/7] Description
The firmware update program for SIGMA's Four-Thirds mount lenses (For Panasonic cameras)
SIGMA 50mm F1.4 EX DG HSM Firmware Version 1.1 [09/3/18] Description