With its ultra wide angle, the Sony FE 12-24mm f/4 G is a highly versatile and flexible lens for Sony full frame E mount cameras. You are guaranteed an aperture of f/4.0 over its full zoom range. The innovative and optical design contains four aspherical elements for incredible sharpness and a high resolution from edge to edge. In addition, three ED glass elements and a Super ED glass element have been integrated into the design. It also has Nano AR coating. All these factors work together for maximum chromatic aberration prevention in the entire image.