Nikkor 50mm f/1.8 is standard prime lens widely regarded as one of the best optical performers among photographers. The 50mm lens is compact, lightweight and versatile lens suitable for portraiture and an array of photographic applications. It has sharp optics that can compete with modern lenses. The 50mm lens employs optical construction of seven element in five groups, 46° angle of view, 1.5 feet close focusing distance and 52mm filter thread.