Photography News Update: Tamron SP 70-200mm F/2.8 Di VC USD Lens

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B&H Photo Video announced that they are currently accepting pre-orders for the Tamron SP 70-200mm F/2.8 Di VC USD full-size, high-speed telephoto zoom lens, equipped with VC (Vibration Compensation) image stabilization, and USD (Ultrasonic Silent Drive), achieving leading-edge image quality, while boasting the most compact design in its class. Lens mounts are avaiable to fit Canon, Nikon and Sony.

Tamron 70-200mm f/2.8

Tamron 70-200mm f/2.8

B&H Photo Video is currently accepting pre-orders on Tamron SP 70-200mm F/2.8 Di VC USD full-size, high-speed telephoto zoom lens

B&H Photo Video announced that they are currently accepting pre-orders for the Tamron SP 70-200mm F/2.8 Di VC USD full-size, high-speed telephoto zoom lens, equipped with VC (Vibration Compensation) image stabilization, and USD (Ultrasonic Silent Drive), achieving leading-edge image quality, while boasting the most compact design in its class. Lens mounts are avaiable to fit Canon, Nikon and Sony.

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 moving VC lens element. In the new VC unit the positions of the magnet and the coil are reversed, because of this the VC optical lens element is attached to the coil. The new VC mechanism employs a moving coil mechanism with a lightweight coil, and the lighter coil reduces the load on the drive system. Thus, the lighter, more compact new VC unit contributes to the lens's overall light weight and compact size.

The Ultrasonic Motor

In the ultrasonic motor, a piezoelectric element arranged in a ring formation generates ultrasonic vibrations in a metallic ring stator, and the vibration energy is used to rotate a metallic ring rotor that is attached to the stator. The rotation energy is in turn transferred from the metallic ring rotor to operate the focus lens.

The Tamron SP 70-200mm F/2.8 lenses which includes Canon, Nikon and Sony camera mounts can be purchased on the B&H Photo Video web site, at the SuperStore, or by calling 800-606-6969.

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About B&H Photo Video
As the world's largest source of photography, video and audio equipment, B&H Photo-Video is known worldwide for their attentive, knowledgeable sales force, and excellent customer service, including fast, reliable shipping. Visitors to the website can access a variety of enlightening articles and educational videos. B&H has been satisfying customers worldwide for over 35 years.

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Henry Posner
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