Designed for DSLRs, the Sigma APO f/5 telephoto zoom lens captures nature and sports photos. The hyper-sonic motor of this Sigma lens guarantees high speed auto-focus between 150 mm to 500 mm, enabling you to shoot stunning images with a minimum focusing distance of 220 cm. Compatible with APO tele converter, the Sigma APO f/5 multiplies the focal length by 1.4 x and 2 x and permits you to shoot life-size pictures of small objects with a magnification ratio of 1:5.2. With an aperture range of f/5-22, this Sigma lens helps you capture clear pictures. The 16.4-degree angle coverage of this 150 mm lens allows you to photograph standard format pictures. With a lens construction of 21 elements in 15 groups with 9 diaphragm blades, the Sigma APO f/5 telephoto zoom lens helps capture superior quality photos. This 150 mm lens is equipped with an 86 mm filter that protects your lens from dust.