\"\nConvenient mid-range zoom with a fixed f/2.8 aperture through entire zoom range.\nLight & compact everyday carry lens\nNewly designed Image Stabilization unit allows for lighter and smaller lens build.\nIncredible quality from edge-to-edge due to 2 UD elements to minimize chromatic aberration, and 2 aspheric lenses.\nImpressive durability and weather-resistant construction equivalent to an L-series lens for use in harsh environments.\"