Hands On with the Tamron 70-300mm f/4.5-6.3 Di III RXD for Sony E-mount | PetaPixel
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
Tamron 70-300mm f/4.5-6.3 Di III RXD Review | Another Lens We've All Been Waiting For!