On the one hand, the product concept of the Sigma 150-600mm f/5-6.3 DG OS HSM I C Contemporary Lens for Nikon FX Mount is to achieve the best optical and action-capture performance to meet the requirements of professional photographers. On the other hand, that of the SIGMA 150-600mm F5-6.3 DG OS HSM | Contemporary is to achieve a lightweight and compact construction for higher usability with similar specifications. It has put a special emphasis on its 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 mo Lightweight and compact construction for higher