Amazon.com : Tamron 70-300mm F/4.5-6.3 Di III RXD for Sony Mirrorless Full Frame/APS-C E-Mount (Tamron 6 Year Limited USA Warranty), Black : Electronics
Finally official: Tamron announces their first lens for Nikon Z-mount (70- 300mm f/4.5-6.3 Di III RXD) - Nikon Rumors
Tamron 70-300mm F4.5-6.3 Di III RXD Review | PCMag