Tamron posted firmware 02 for the Tamron 28-200mm f/2.8-5.6 Di III RXD and you can get a copy here.
[Update]
Notice about Firmware Update for
Tamron 28-200mm F/2.8-5.6 Di III RXD (Model A071)
Dear users and potential purchasers of Tamron products.
Thank you for using Tamron products.
We are pleased to inform you that the firmware update for the 28-200mm F/2.8-5.6 Di III RXD (Model A071) for Sony E-mount, full-frame mirrorless cameras, is now available.
This is an update regarding our announcement on July 10, we have confirmed that the Model A071 for Sony mirrorless cameras do not work properly.
The firmware update is available through Sony E-mount camera bodies.
Please review the information below.
Affected model
28-200mm F/2.8-5.6 Di III RXD (Model A071)
Firmware version
Ver.2
Improvements
This update improves the following issues:
When AF-S mode, the AF operation rarely stops in the middle and the focus indicator lights up even though it is not in focus.
How to Update
The lens firmware can be updated using cameras that support this lens firmware update.
How to Check your Lens Firmware Version
From your camera’s menu screen, please select “Setup” then “Display version.”
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