The 12-24mm ultra wide-angle zoom design enables a combination of wider angle of view with optical characteristics optimized for use with every Nikon digital SLR. Two ED glass elements minimize chromatic aberration while three aspherical lens elements control distortion and reduce the overall size of the lens.

Our own comments A slightly more practical approach to wide angle photography is to choose a zoom. More distortion is introduced with a zoom, but this lens has won awards for managing to avoid most of those problems to some degree. At over a grand, you'd expect some good quality. This belongs in the Intermediate to Advanced photographer's bag. Read the full test here