Panasonic will soon have a full line of five fast (f/1.8) prime Lumix S lenses for Leica L-mount (35mm f/1.8 announced, 18mm f/1.8 coming next) - Leica Rumors
Amazon | ニコン Ai AF Nikkor 18mm F2.8D | カメラ用交換レンズ 通販
Nikon AF 18mm f/2.8 Review & Sample Images by Ken Rockwell