Tamron 28-75mm f/2.8 XR Di LD (IF) Lens for Sony

The Tamron AF 28-75mm f/2.8 XR Di LD Aspherical (IF) Macro Zoom is a fast and versatile lens. "Di" (Digitally Integrated Design) is a designation Tamron puts on lenses featuring optical systems designed to meet the performance characteristics of digital SLR cameras. It delivers high performance across the zoom range and the macro has a minimum focusing distance of 13" and a maximum magnification ration of 1:3.9 (at 75mm). LD glass elements reduces various aberrations while minimizing the fall-off of light at the cornersFeatures XR (extra refractive index) glass and efficient use of aspherical

• Lens Construction (Groups/Elements) 14/16
• Angle of View 75?-32?
• Type of Zooming Rotation
• Diaphragm Blade Number 7
• Minimum Aperture F/32
• Minimum Focus 0.33m (13') (entire zoom range)
• Macro Mag. Ratio 1:3.9 (at 75mm)
• Filter Diameter ?67
• Weight 510g (18.0oz.)
• Diameter x Length ?73mmx 92mm (2.9in x 3.6in)
• Accessory Lens hood