Article ID : 00180881 / Last Modified : 16/08/2017

Interchangeable Lens Digital Camera - “α99” [SLT-A99] firmware update


    Sony is offering a firmware update for Interchangeable Lens Digital Camera “α99” [SLT-A99].


    [Applicable model name of the product]
    Interchangeable Lens Digital Camera “α99” [SLT-A99].


    [Applicable firmware version of the units]
    The applicable products are with the firmware version “Ver1.00” or earlier
    (Please visit the download page to check the firmware version installed on your product.)


    [Contents of update]
    Provides support for the following "Dual AF" function compliant lenses:

    1. SAL24F20Z

    2. SAL85F14Z

    3. SAL135F18Z

    4. SAL70300G

    5. SAL70200G

    6. SAL35F14G

    7. SAL100M28

    8. SAL1635Z

    9. SAL50M28

    10. SAL85F28

    11. SAL300F28

    Provides support for the following automatic compensation compliant lenses:

    1. SAL100M28

    2. SAL50M28

    3. SAL85F28

    4. SAL18200

    5. SAL20F28

    6. SAL28F28

    Download the software here :


    SLT-A99 Firmware Upgrade Ver. 1.01 (Microsoft Windows)

    SLT-A99 Firmware Upgrade Ver. 1.01 (Macintosh)


    * Sony provides the update program for free on our website, but Sony will ask for a technical fee for the update service at the service counter and a courier service fee if requested.