The Tamron 17-50mm f/4 Di III VXD lens for Sony E-mount is now officially released and available for pre-order at Adorama, B&H Photo, Foto Koch, and WEX UK.
Tamron 17-50mm f/4 Di III VXD lens for Sony E-mount: additional information leaked online
Tamron announces the development of a 17-50mm f/4 Di III VXD lens for Sony E-mount