Tamron 17-50 f/2.8 now available for Pentax: Digital Photography Review
Amazon.com : Tamron SP Auto Focus 17-50mm F/2.8 XR Di-II LD SP Aspherical (IF) Zoom Lens with Built In Motor for Nikon Digital SLR : Camera Lenses : Electronics
Tamron 35-150mm f/2-2.8 for Nikon Z and Tamron 17-50mm f/4 for Sony E Announced | CineD