Lumix S Pro LensTo satisfy even the most expressive photographer, exceptionally strict standards were applied to produce the Lumix S Pro lens from start to finish - planning, design, development and production. Absolutely no compromise was made to total excellence in rendering, bokeh, or depth. The resulting high performance and superb quality pass every stringent evaluation standard used in a Leica lens.Uncompromising Approach to CreativityF2.8 large aperture and outstanding expression throughout the entire zoom range and a beautiful bokeh effect. With the Lumix S Pro 24-70mm F2.8 lens, photographers can create a wide range of photographic works of art, from high-resolution, high-contrast landscapes and city snapshots to impressionistic portraits with overwhelming depth and a bokeh background. Moreover, a double focus system with both linear and stepping motors and 480 fps Af control help photographers capture those quick-moving moments.