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

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

Applicable Products and Categories of This Article


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.