Sigma 70-300mm f/4-5.6 DG OS is a compact, versatile telephoto zoom lens employing Optical Stabilization (OS) to prevent blurred images caused by camera shake. The 70-300mm is chassis to deliver top performance on full-frame APS-C sensored cameras, DSLRs and 35mm SLR film cameras. The 70-300mm f/4-5.6 DG OS is ideal for general photography including travel, family, and nature photography. The lens features a 59.1 inch close focusing distance, 1:3.9 maximum close-up magnification, nine blade diaphragm, 34.3-8.2° viewing angle and 62mm filter thread.