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Tamron SP AF 70-300 F/4-5.6 Di VC USD E Lens for CanonIn 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 utilizes an advanced optical design that features a 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 boasts sharper contrast and greater descriptive performance than all others in its class.

In addition, it is the first Tamron lens to include 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.

VC Image Stabilization (Vibration Compensation)The tried-and-tested Tamron VC Image Stabilizer (Vibration Compensation) ensures this lens delivers sharp and shake-free images. This means that the lens is also perfectly suited for hand-held photos and low-light conditions.

Delivering Leading-Edge Image QualityThe optical design of this lens uses a high-performance XLD (Extra Low Dispersion) element, which is manufactured out of a special glass with an extremely low refractive index. The refractive index describes the ability of the lens to split a light beam into its spectral colours. The dispersive properties are even lower than standard LD lenses and are at a level similar to fluorite. The XLD lens in combination with the LD element delivers the highest contrast and brilliance. This effectively prevents the problem of chromatic aberration in telephoto photography and delivers a high level of sharpness even in the peripheral regions. The result is a lens that effectively compensates for axial chromatic aberration and magnification aberration throughout the entire zoom range and guarantees the highest resolution and brilliance for your pictures.

USDThe Ultrasonic Silent Drive (USD) is Tamron's latest generation of autofocus motors. Thanks to the advanced motor technology and the newly developed software, the USD enables a fast, precise and almost silent photographic experience. There are few better options for capturing quick and dynamic subjects that arise in areas such as sports photography, fast cars or even wildlife photography.