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

This Di lens is currently the most compact and lightest in the history of fast zoom lenses. Its compactness makes it look and feel like an ordinary standard zoom lens, yet provides the versatility that a fast constant maximum aperture offers and will definitely reshape photographic horizons. Features like LD glass elements and Internal Focusing put this lens in the same category of professional lenses as much bigger and more expensive Tamron lenses. 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