The Sigma 60-600mm F4.5-6.3 DG DN OS Sports is an ultra-versatile mirrorless telephoto zoom for Sony FE E-mount covering a massive 10x focal length range from 60mm to 600mm with optical stabilization and linear AF motor. It features 27 elements in 19 groups in a weather-sealed magnesium alloy body. This is the DN mirrorless version of Sigma's flagship Sports zoom.