Tamron has announced the development of a 150-600mm F5-6.3 zoom lens for full-frame and APS-C sensor cameras. It will feature 20 elements in 13 groups and have a minimum focus distance of 2.7m. Tamron will also include VC (Vibration Compensation) image stabilization and USD (Ultrasonic Silent Drive) technologies. The lens will be developed for Canon, Nikon, and Sony mounts.