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 a very light haze ring around the outer perimeter inside. There are also a couple of light scuffs on the exterior of the barrel. Its focus and aperture adjustments are both smooth, and its glass is free of any fungus or separation to its elements. There is no oil on its aperture blades.
