Nikon has announced a new lens with full-frame coverage -- a fast, wide prime.

http://www.nikon.com/news/2014/0912_lens_03.htm

AF-S NIKKOR 20mm f/1.8G ED Primary Features

• Design based on the latest optical technologies achieves superior point image reproduction characteristics and minimal chromatic aberration
• The ultra wide-angle 20mm focal length achieves rendering that reproduces the entire space visible to the naked eye, and enables photographic expression that harnesses perspective from a variety of angles
• Shallow depth-of-field possible only with a maximum aperture of f/1.8 for smooth and beautiful blur characteristics that render subjects more impressively
• Two aspherical lens elements, two ED lens elements, and Nano Crystal Coat adopted
• Compact and lightweight for superior portability that makes the lens easy to take anywhere
• Close-up photography is also possible with a closest focusing distance of 20 cm