Nokishita just leaked a new Tamron lens the Tamron 11-20mm f/2.8 Di III-A RXD and there is a comparison shot to the 17-70mm so I think this is for APS-C. You can read the specs below.
Tamron’s “11-20mm F / 2.8 Di III-A RXD” has a lens configuration of 12 elements in 10 groups, a minimum shooting distance of 0.15m (wide angle) / 0.24m (telephoto), and a maximum shooting magnification of 1: 4 (wide angle) / 1. : 7.6 (telephoto), filter diameter 67mm, size φ73×86.2mm, weight 335g.
Be sure to follow SonyAddict on Facebook, Twitter, Instagram, Youtube, and join our group’s bellow.
Sony a1 Owners Group
Sony a9 Owners Group
Sony a7 Owners Group
Tamron 17-70mm F2.8 Di III A-VC RXD: B&H Photo / Amazon
via Nokishita