Click images to ENLARGE.
I had never updated firmware on a Sony lens. So I had some trepidations. To be fair to Sony they use the same update mechanism as that for their cameras. So that at least was comforting.
The update proved to be straightforward, painless and quick. Worked just as it was supposed to. Was done in minutes.
However, I have NOT noticed any difference in the lens’ autofocus (AF) prowess. If anything it was worse than it used to be! And I am not kidding. So …
Just letting you know. I would NOT rush to upgrade. Wait and see what others have to say. Check the DPReview forums.