Leica Summicron 50mm M f/2.0 Titanium, in absolutely mint condition. This is the latest version with the pull-out hood. Leica made only 500 of these titanium lenses, so this one is rare. Glass is perfect and the barrel has no imperfections except that the white paint on the 4 f-stop number has come off. Comes with original box and pouch, and both Leica lens caps. Price is $1,890 including Paypal and shipping USA only.