This Olympus OM-System F. Zuiko Auto-S 50mm f/1.8 prime lens is for use with OM mount cameras and adapters. There is fungus inside of it and there is scuffing and discoloration on the exterior of the barrel. Its focus and aperture adjustments are both smooth and its glass is free of any haze or separation to its elements. There is no oil on its aperture blades.
