A new era of standard zoom performance
No-compromise design and technology result in a constant F2.8 zoom lens that can fully utilize the potential of current and future high-resolution camera bodies. This peerless standard zoom covers a 24 mm to 70 mm focal length range, and is an ideal choice when ultimate image quality is required for portraits, scenery, snapshots, and more.

Extraordinary resolution and bokeh
An XA (extreme aspherical) lens element with superlative surface precision not only contributes to stunning corner-to-corner resolution and detail throughout the zoom range, but also plays a vital role in achieving smooth, soft bokeh that can be a powerful expressive tool in a wide range of photographic situations.

Natural rendering and colour
One ED (Extra-low-Dispersion) and one Super ED glass element in an optical path that has been designed to the highest standar