Tamron 20-40mm F2.8 for full-frame Sony E-mount cameras announced at $699

Tamron has announced the launch of a new 20-40mm F2.8 Di II VXD zoom lens for full-frame Sony E-mount cameras.

This constant F2.8 zoom lens offers a unique focal length range and is constructed of 12 elements in 11 groups, including four LD (low dispersion) elements, two GM (Glass Molded Aspherical) elements and one Hybrid Aspherical element. The lens has a minimum focusing distance of 17cm (6.7″) at 20mm for a magnification ratio of 1:3.8.

READ THE FULL STORY ON DPREVIEW.COM