The Tamron 35-150mm f/2-2.8 Di III VXD and 28-200mm F2.8-5.6 Di III RXD Lenses for Sony E mount have firmware updates available via Tamron Lens Utility.
This firmware incorporates the following fixes and enhancements:
Get the Tamron 35-150mm f/2-2.8 Di III VXD Lens from B&H.
Buy the Tamron 28-200mm F2.8-5.6 Di III RXD Lens at B&H.