Detail Tamron For Nikon SP 24-70mm F/2.8 Di VC USD
Tamron Co., Ltd. (President & CEO: Morio Ono / Headquarters: Saitama City), a leading manufacturer of optical equipment, announced the introduction of the SP 24-70mm F/2.8 Di VC USD (Model A007), the world’s first*1 full-size high-speed standard zoom lens equipped with VC (Vibration Compensation) image stabilization and USD (Ultrasonic Silent Drive)*2 , with resolution at the top of its class. The lens will be available for Canon, Nikon and Sony mounts. A release date has not been announced.
Product Features
World’s first full-size, high-speed standard zoom with built-in VC (Vibration Compensation)*3. Even 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 specialized 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 diaphragm4, the lens achieves gorgeous blur effects. Features 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. The lens adopts the new technology including the latest optical design, VC (Vibration Compensation) image stabilization and USD (Ultrasonic Silent Drive), all in a lighter and more compact package. 6. Moisture-resistant construction helps prevent water from penetrating the lens.
(1) For high-speed standard zoom lens compatible with full frame size SLR cameras. Current as of April 5, 2012. (Source: Tamron).
(2) USD (Ultrasonic Silent Drive) is Tamron’s proprietary ultrasonic motor drive.
(3) The Sony mount does not include VC, because the body of Sony digital SLR cameras includes image stabilization functionality. The product name for Sony cameras is “SP 24-70mm F/2.8 Di USD” without the VC designation.
(4) This rounded diaphragm retains a nearly circular shape even when taken two stops down from its fully open state.
VC (Vibration Compensation) VC (Vibration Compensation) is Tamron’s proprietary image stabilization system. Tamron’s VC is a three-coil system, whereby three driving coils activate the shake-compensating VC lens group electromagnetically via three ceramic balls. The VC lens elements are held in place only by contact with the ceramic balls, achieving smooth movement with little friction. This provides a stable viewfinder image with excellent tracking performance. And as the VC lens may be moved in parallel using only the motorized control, the mechanical structure has been simplified, enabling the creation of a more compact lens. New VC system (moving coil method) Tamron’s original VC image stabilization mechanism utilized a moving magnet system whereby a heavy magnet was positioned near the