Tamron announced the development of its 60th anniversary model, the SP 70-300mm F/4-5.6 Di VC USD, belonging to the company’s telephoto zoom line-up. Its highlights are image stabilization and an ultrasonic auto-focus drive.

The lens has been produced for Nikon DLSR cameras, Sony and Canon mounts will follow. It can be used with both full- and sub-frame digital cameras; on the latter its focal length range will be equal to 109-465mm.

The lens’s construction combines 17 elements in 12 groups including XLD (Extra Low Dispersion) and LD glass elements for advanced aberration correction. As a result, the lens delivers sharp contrast and better descriptive performance throughout the entire zoom range.

The lens also uses new BBAR (Broad-Band Anti Reflection) multilayer coatings that reduce reflection in the lens elements. Tamron also applies internal surface coatings on lens elements to make images sharper.

It is the first Tamron lens to feature a USD (Ultrasonic Silent Drive) AF drive motor. It ensures fast precise and noiseless focusing. The technology incorporates an elaborate mechanism based on two ultrasonic vibrations and deflective traveling waves formed by them to rotate the focusing ring.

The SP 70-300mm F/4-5.6 also boasts Tamron’s proprietary VC (Vibration Compensation) image stabilization for hand-held photography. It gives you the possibility to shoot at shutter speeds four stops slower that it would be otherwise and ensures blur-free images in low-lit conditions.

Other benefits of this lens include internal focusing system for convenient usages of filters, and full time manual focus for you to make adjustments on the fly.

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

• Focal Length: 70-300mm
• Diagonal Angle of View: 34° 21′-8° 15′
• Maximum Aperture: F/4 – 5.6
• Minimum Aperture: F/32-45
• Lens Construction: 17 Elements/12 Groups
• 9 Diaphragm Blades
• Minimum Focus: 1.5m (59.1in.)
• Maximum Magnification: 1:4 (at f = 300mm: MFD 1.5m)
• Ultrasonic Silent Drive (USD)AF Motor
• Image Stabilization
• Filter Thread: 62mm
• Weight: 765g(27.0oz.)
• Diameter 81.5mm / 3.2 in
• Length 142.7mm / 5.3 in
• Compatible Mounts: Canon, Nikon, Sony

Related Posts:

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This entry was posted on Wednesday, March 10th, 2010 at 10:18 am and is filed under Lenses, Tamron Lenses. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.