Tamron Japan announced the pricing and availability of their new SP 15-30mm f/2.8 Di VC USD (Model A012) lens for Nikon and Canon DSLR cameras (the Sony version will be released later): shipping in Japan will start on December 25th, the suggested retail price is ¥140,000 (around $1,178, expect US price to be lower). The detailed technical specifications of the lens can be found here.
Tamron SP 15-30mm f/2.8 Di VC USD (Model A012) lens design:
Tamron SP 15-30mm f/2.8 Di VC USD (Model A012) lens MTF charts:
Tamron SP 15-30mm f/2.8 Di VC USD (Model A012) lens sample photos can be found here, here and here:
Check the US pricing and availability at B&H and Adorama (still not available at the time of this post):
