Tamron SP 24-70mm f/2.8 Di VC USD (Canon)

Full-size, high-speed standard zoom with built-in image stabilization – SP 24-70mm F/2.8 Di VC USDEven when shooting in low-light conditions with a slow shutter speed to render sharpness, Tamron’s acclaimed VC allows for stable handheld camera work, to more fully enjoy the benefits of this high-speed zoom lens. Uses special high-grade glass in the three LD elements, three glass molded aspherical lenses, one hybrid aspherical lens and two XR (Extra Refractive Index) glasses, delivering top-of-the-class quality images suited to this high-grade lens. Using a rounded diaphragm, the lens achieves gorgeous blur effects. This rounded diaphragm retains a nearly circular shape even when taken two stops down from its fully open state. Features Tamron proprietary USD ( Ultrasonic Silent Drive) to power a speedy AF drive together with a continuous manual mechanism. This high-speed standard zoom lens has a wide-end focal length of 24mm that expands the photographic area. Moisture-resistant construction helps prevent water from penetrating the lens.