Used 21mm Summilux in the box in superb condition-these are just on $11K new so save $$$ on an as new lens:
Specifications:
	
Leica M Mount Lens
	
Super Wide Angle
	
6-Bit Coding
	
1 Floating and 2 Aspherical Elements
	
Hardly larger than a standard lense
	
Filter Thread: Series VIII