Olympus OM-System Zuiko Auto-S 50mm f/1.8 the lens has one little fungus spot. See last picture. This classic 50mm lens is known for its sharp image quality, beautiful color reproduction and smooth bokeh thanks to its large f/1.8 aperture. The manual focus feels smooth and precise - ideal for both analog OM cameras and digital systems via adapter. A popular lens for portrait, street and all-round photography, with the distinctive build quality of Japanese lenses from the 1970s and 1980s. Compact, light and optically impressive.