"Tamron has announced that the availability of Sony and Pentax versions its 10-24mm wide-angle zoom APS-C cameras. The lens, which received a Recommended rating when tested in its Nikon mount guise, will be available in Japan from June 12th, the company says, with sales then expanding to other markets."
http://www.dpreview.com/news/0906/09060101tamron1024sonypentax.asp
http://www.dpreview.com/news/0906/09060101tamron1024sonypentax.asp