Large aperture zoom starting from 24mm and realizing a maximum aperture F-value of 2.8 As for the front element does not rotate at the time of focusing.

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Technorati Tags: 2470mm, Aperture, Aspherical, f/2.8, Large, Lens, Macro, Sigma, Standard, Zoom

This large aperture standard zoom lens covers focal lengths from 24mm and is housed in compact construction. The latest optical design provides an overall length of 94.7cm /3.7inch. It is ideal for general photography such as snapshots, portraiture and landscapes. The Super Multi Layer Coating reduces flare and ghosting. ELD (Extraordinary Low Dispersion) glass, two SLD (Special Low Dispersion) glass elements and three aspherical lenses provide excellent correction of all types (more…)

Technorati Tags: 2470mm, Cameras, Digital, f/2.8, Lens, Nikon, Sigma, Standard, Zoom