The same focal ranges for different purposes. The first hyper-telephoto zoom lens from our Contemporary line for better usability. The SIGMA 150-600mm F5-6.3 DG OS HSM | Contemporary achieves 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 model offering outstanding usability.