Tamron 28-75mm F2.8 Di III VXD G2 Review

The Tamron 28-75mm F2.8 Di III RXD standard zoom for Sony Alpha full-frame mirrorless cameras was only released three years ago and quickly became one of the company's best-selling lenses, but Tamron have already decided to update it with this brand new G2 version. What's different and can it really improve on the already excellent original version? Find out now by reading our Tamron 28-75mm F2.8 Di III VXD G2 review...