Available soon

Tamron has just announced the availability of the SP 150-600mm F/5-6.3 Di VC USD tele - zoom that  will go on sale on December 19th in Japan, and  January 17th 2014 in the USA. The lens sports optical image stabilization and an Ultrasonic Silent Drive auto focus motor, and can be used with both full frame and APS-C SLRs. Initially it will be available  in Canon mount, with Nikon and Sony versions to follow. The irice is still up in the air. It looks like a nice lens and the range is really useful.