Sigma 24-35mm f/2 ART DG HSM Zoom Lens (for Nikon) Prime performance, zoom versatility. The Sigma 24-35mm f/2 ART DG HSM Zoom Lens is the worlds first full frame f/2 zoom lens. Covering a common prime lens lineup, the 24-35mm F2 DG HSM was designed for prime performance with the versatility of a zoom lens. Premium FLD glass, with performance equal to fluorite, and seven SLD glass elements allow for outstanding image quality. A large diameter aspherical lens, a complicated element to manufacture, allows for a stunning level of brightness. This complicated optical formula creates outstanding image quality throughout the focal range, and even at the widest of apertures. An updated AF algorithm makes for smooth, accurate and fast autofocusing while multi-layer coating controls flare and ghosting. The Sigma 24-35mm F2 DG HSM Art is another notch on Sigmas belt for pure photographic innovation. It allows photographers to carry one lens to do the work of three fixed focal length lenses, a 24mm, 28mm and 35mm. Key Features: The worlds first large-aperture full-frame zoom lens offering a wide open aperture of f/2 throughout the zoom range: A large-diameter zoom lens covering the full frame image sensor. Optical performance equivalent to a fixed focal length lens throughout the entire zoom range. These are the concepts the Sigma 24-35mm F2 DG HSM embodies. It covers three of the most commonly used prime lenses, 24mm, 28mm and 35mm all in one lens. In order to achieve an attractive bokeh effect at wide aperture, Sigma has developed the worlds first zoom lens for the 35mm full frame sensor with an f/2 aperture value throughout the zoom range. Outstanding optical performance of the fixed focal length lenses in Sigmas Art line: The Sigma 24-35mm F2 DG HSM builds on the concept of the Sigma 18-35mm F1.8 DC HSM Art, the worlds first zoom lens to offer f/1.8 brightness throughout the zoom range. Thanks to the outstanding optical performance, the lens provides t
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