With OS (Optical Stabilization) system, the Sigma 70 mm-200 mm f/2.8 camera lens provides exceptional images even in poor lighting condition. The HSM (Hyper-Sonic Motor) of the Sigma 70 mm-200 mm f/2.8 camera lens offers silent and quick performance. The FLD glass elements of this telephoto-zoom lens delivers great picture quality with minimum abbreviation. With 22 elements in 17 groups lens construction, the Sigma 70 mm-200 mm f/2.8 provides crisp pictures with excellent contrast. The 9 diaphragm blades of this Sigma camera lens give you outstanding out-of-focus effects. The 140 cm minimum focus distance of this telephoto-zoom lens offers clear and detailed close-up images.