Sigma 150-600mm f/5.0-6.3 Contemporary DG OS HSM Zoom Lens (for Nikon Cameras) A lightweight hyper-telephoto zoom lens featuring high usability and outstanding optical performance. Introducing the first hyper-telephoto zoom lens from Sigmas Contemporary line for better usability, the Sigma 150-600mm f/5.0-6.3 Contemporary DG OS HSM Zoom Lens. The product concept of this lens is to achieve a lightweight and compact construction for higher usability. It puts a special emphasis on optical performance by incorporation of 1 FLD and 3 SLD glass elements, optimization of lens power distribution and minimized chromatic aberration of magnification. An issue for hyper-telephoto lenses in particular at the telephoto end, optical aberrations have been minimized throughout the zoom range. Dust- and splash-proof to facilitate photography in the field and featuring a detachable tripod socket for more convenient handheld photography, this lens is a lightweight high-performance model offering outstanding usability. It has a minimum focusing distance of 110.2 inches, a 95mm filter diameter, and weighs 4.3 pounds (2 pounds less than the Sports model) . Also features inner focusing which adjusts focus without changing the length of the lens barrel, increasing stability. Key Features: High image quality and a compact construction based on the product concept of our Contemporary line: This lens incorporates 1 FLD (F Low Dispersion) glass element, which has performance equal to fluorite, and 3 SLD (Special Low Dispersion) glass elements, and compensates for color aberration at the utmost. Chromatic aberration in particular, which could be visible especially towards the telephoto-end even when stopped down, is corrected by the optimized design of glass elements including FLD lenses. Lightweight and compact construction for higher usability: Compared to the Sigma 150-600mm F5-6.3 DG OS HSM Sports, it is more compact and lightweight, enabling easy handling an
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