TAMRON 28-75mm F2.8 RXD III

·      Superb optical performance, including both outstanding image quality and

·        beautiful background Blur effects (bokeh), provided by fast f/2.8 aperture. 

·      Comfortably light weight (19.4 oz.) and compact (4.6 in). Maximum 

·       Magnification Ratio: 1:2.9 (Wide); 1:4 (Tele) 

·      Close-focusing; minimum object distance: 7.5 in at wide-angle setting and 

·       15.3 in at the telephoto position. 

·      All-new “rxd” stepping motor AF unit is extremely quiet and therefore perfect 

·      for video capture. Moisture-resistant construction and fluorine coating for 

·       weather protection..Maximum Diameter:Φ73mm