Tamron 28-300mm f/4-7.1 Di III VC VXD Lens (Sony E) Short Description Full-Frame f/4-7.1 to f/22-40 VXD Linear Motor Focus Mechanism VC Camera Shake Reduction System Focus Set Button, Zoom Lock Switch Minimum Focusing Distance: 7.5' 20 Elements in 13 Groups 9-Bladed Diaphragm Moisture-Sealed Design, Fluorine Coating Tamron Lens Utility Connector Port Weight: 1.3 lb