As previously reported, Tamron will announce a new 20-40mm f/2.8 Di III VXD lens for Sony E-mount (pictured above) with a very compact new design: 365 grams in weight and 86.5mm in length. The filter size is 67mm, the maximum zoom ratio is 1:3.8, and 0.17m minimum focusing distance. Stay tuned for more. Update – … Continue reading Tamron to announce a new 20-40mm f/2.8 Di III VXD lens