This is official information from Tamron, though the “official” announcement will come on Friday, June 23 @ 3AM EST. Tamron Announces 18-400mm All-In-One™ Zoom We are pleased to announce the latest addition to the all-in-one™ zoom line-up: 18-400mm F/3.
5-5. 6 Di II VC HLD all-in-one zoom lens (model B028) in Canon and Nikon mounts The 18-400mm Read more. . . . canonrumors.com
Dramatic extended range achieved by combining cutting-edge optical design and other new breakthrough technologies including a redesigned cam structure 18-400mm F/3.5-6.3 Di II VC HLD (Model B028) June 23, 2017, Commack, NY – Tamron, a leading manufacturer of optics for diverse applications, announces the launch of the new 18-400mm F/3.5-6.3 Di II VC HLD (Model Read more...
Tamron 18-400mm f/3.5-6.3 Di II VC HLD Specifications: Mount: For Canon Read more...