Tamron 12-20mm f/2.8 Di III Coming for Nikon Z and Sony E

Tamron is about to announce the A084, a 12-20mm f/2.8 zoom for full-frame Nikon Z and Sony E mounts. Per PhotoRumors (via NikonRumors), the lens runs 570–585g depending on mount, uses VXD linear motor AF, has a rear filter holder instead of a front thread, and closes to 0.18m at the wide end. Optical formula is 17 elements in 12 groups with one XGM aspherical element. No pricing or ship date confirmed.