Some additional coverage of the new Irix 11mm f/4 full frame lens - first, a field of view comparison with the Irix 15mm f/2.4 lens (click for larger view, high resolution photos available on flickr):
Irix 11mm f/4 lens sample photos taken with the Nikon D810 (high resolution photos are available on flickr):
More sample photos taken with other cameras:
Video review of the Irix 11mm f/4 lens:
Ephotozine published their review of the Irix 11mm f/4 lens:
See also this quick hands-on of the lens from last year. Additional information on the Irix 11mm f/4 lens, including press release, MTF charts, specifications and pictures can be found over at PhotoRumors.
Two more videos - Irix 11mm f/4 lens sample footage and an interview with Irix from Photokina: