Tamron 15-30mm f/2.8 Di VC SP USD Zoom Lens (for Nikon Cameras) Uncompromising quality The Tamron 15-30mm f/2.8 Di VC SP USD is an ultra wide-angle zoom lens for full-frame DSLR cameras with a fast f/2.8 aperture and VC (Vibration Compensation) , the worlds first in its category. This lens features superb image quality and performance thanks to Tamrons XGM (eXpanded Glass Molded Aspherical) element placed at the front group and several LD (Low Dispersion) glass elements. Vibration Compensation helps eliminate image blur when shooting handheld or in low-light conditions. With a maximum aperture of f/2.8 throughout the zoom range, this lens is especially useful in dim light, plus it exhibits excellent bokeh (background blur) effects. Additional features include special lens coatings to eliminate ghosting and flare, easy to use Ultrasonic Silent Drive autofocu s, full-time manual focus, and more! Key Features: Superb corner-to-corner image quality from an ultra-wide-angle zoom. Tamron aims for the highest standards with the SP (Super Performance) lens series. And the new 15-30mm f/2.8 full-frame ultra-wide-angle zoom is a worthy addition. This high-performance zoom lens equals the performance of fixed focal length lenses from 15mm to 30mm, an unprecedented achievement made possible by the development of its unique XGM (eXpanded Glass Molded Aspherical) lens element that effectively controls aberrations and enhances sharpness. In addition, the 15-30mm is the first zoom to combine such a wide range of coverage, a fast f/2.8 aperture, and to offer image stabilization, further proof of Tamrons commitment to innovation and excellence. XGM lens element for exquisite images. A large diameter XGM (eXpanded Glass Molded Aspherical) lens element is placed in the first lens group of a system that also includes several LD (Low Dispersion) elements in its 18-element, 13-group optical design. This combination effectively controls distortion and chromati
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