https://www.sonyalpharumors.com/hot-...5-6-7-fe-lens/
Here are the leaked images and specs of the new Tamron 150-500mm F / 5-6.7 Di III VC VXD lens that will be announced on April 22:
25 elements in 16 groups
minimum shooting distance 0.6m (wide angle) /1.8m (telephoto)
maximum shooting magnification 1: 3.1 (wide angle) / 1: 3.7 (telephoto)
filter diameter 82mm, size φ93×209.6mm
weight 1725g
tripod mount 155g.