A lightweight hyper-telephoto zoom lens. Featuring high usability outstanding optical performance. The latest fine lens in the Contemporary line. This lens for Sigma SA is ideal for handheld photography. Offering all the core features of similar professional lens in the Sports line,this lens boasts incrediblycompact and lightweight construction. The highly compact, lightweight version of the 150-600mm F5-6.3 DG OS HSM Sports lens in the Sports line. When removed from the camera, this lens is easy to carry. The tripod socket may be detached and replaced with a protective cover to further reduce weight and make handheld photography an even more lightweight and convenient experience. This lens is the optimal choice for photographers who desire super-telephoto functionality while staying light on their feet. Exemplifying the outstanding performance of the Contemporary line, this lens offers the same high optical performance in a lightweight package ideal for a wide variety of photographic scenes.