Rodenstock Apo-Sironar-S 180mm 1:5.6 in a Copal No. 1 shutter with caps and retaining ring. Serial no.11014855 The glass is clean with no fungus or haze. The shutter fires at all speeds and seems in the ball park. The assembly is cosmetically clean. Roughly equivalent to a 50mm lens on 4x5 and a 35mm lens on 5x7 cameras.