To customers using the camera
    made by Panasonic Corporation

    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. 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)

    30mm F1.4 DC DN | Contemporary

    Ver.1.2 2017.01.31

    • It has corrected the phenomenon that the lens does not offer the C-AF function properly, when used with OLYMPUS OM-D E-M1 Mark II

    Ver.1.1 2016.04.07

    • It has corrected the phenomenon that it did not offer distortion compensation during JPEG shooting.