Tamron SP 70-300mm F/4-5.6 Di VC USD

Product Overview Unparalleled optical performance in a fast and steady telephoto zoom: In the pursuit to achieve the most outstanding image resolution in the 70-300mm class, Tamron's Anniversary lens - the SP AF70-300mm  F4-5.6 Di VC USD (Model A005) - utilizes an advanced optical design that features an LD (Low Dispersion) and an XLD (Extra Low Dispersion) lens element made from specialized materials that prevent chromatic  aberration. As a result, the SP AF70-300mm F4-5.6 Di VC USD (Model A005) boasts sharper contrast and greater descriptive performance than all others in its class. In addition, it is the first Tamron lens  sporting a USD (Ultrasonic Silent Drive), Tamron's very own ultrasonic auto-focus drive mechanism.  This USD mechanism delivers fast focusing, making it a perfect telephoto zoom choice for photographing sports, racing, or other fast-moving subjects. The lens also boasts Tamron's proprietary VC (Vibration  Compensation) image stabilization to assist in hand-held photography, not only at long focal length ranges where blurring is common, but also under low-lit conditions, dramatically enhancing  photographic freedom. This comnbination of best in class image resolution, Ultrasonic Silent Drive and  Vibration Compensation is a new achievement of Tamron technology, culminating in the production of a premium 70-300mm telephoto zoom lens. Sample Images Technical Drawing Optical/Mechanical Feature Key   Specifications Model A005 Lens Construction (Groups/Elements) 12/17 Angle of View 34°21'-8°15' Diaphragm Blade Number 9 Minimum Aperture F/32-45 Minimum Focus Distance 1.5m (59.05 in) Macro Magnification Ratio 1:4 (at f = 300mm: MFD 1.5m) Filter Diameter ø62 Weight 765g * (26.98 oz) Length * 142.7mm  (5.61 in) Full Length ** 151.1mm #(5.9 in) Diameter 81.5mm #(3.21 in) Accessory Flower shaped Lens hood Mount Canon - Available Nikon - Available Sony * Length means the size from the head of the barrel to the flange of the mount. ** Full Length means the size from the head of the barrel to the end of the lens. # Length and weight values given are for the Nikon mount. Specifications, appearance,     functionality, etc., may be changed without prior notice. ##The Sony mount does not include the VC image stabilization functionality,     as the body of Sony digital SLR cameras include image stabilization functionality.