http://t.co/1iai0CNX -
Super Deal Review - Tamron AF 28-75mm f 2.8 SP XR Di LD Aspherical (IF) Lens
28-75mm f/2.8 Di LD Aspherical (IF) Tamron zoom lens (A09M)
Effective focal length:
28-75mm with full-frame sensor Sony digital cameras
42-113mm with APS-C sensor Sony cameras
Compatible with Sony digital SLR cameras
