Tidy example of the revered classic summilux lens in perfect working order
Optics are nice and clean with some very minor cleaning marks. No haze/fungus present 
Focus is smooth with a 180 degree long throw, with a good amount of resistance. Aperture clicks are smooth and positive in half stops 
Aperture blades clean with some marks accumulated over the years from use, but nothing to worry about 
The lens barrel is very clean with very little signs of wear and put together extremely well
Included is: the lens and a generic rear cap