Tamron announces APS-C 11-20mm F2.8, full-frame 150-500mm F5-6.7 zooms for Sony E mount

Tamron has announced the release of two new zoom lenses on opposite ends of the focal length spectrum: the 11-20mm F/2.8 Di III-A RXD for APS-C Sony E mount cameras and the 150-500mm F/5-6.7 Di III VC VXD for full-frame Sony E mount cameras. 11-20mm F2.8 Di III-A RXD First up is the 11-20mm F2.8 Di III-A RXD, a fast-aperture ultrawide zoom lens for Sony E mount APS-C mirrorless cameras. The lens, which has a 16.5mm-30mm full-frame equivalent focal length, is constructed of 12 elements in 10 grou...