The Olympus 45mm F/1.8 M.Zuiko MSC is a sharp, compact and fixed focal length lens for the micro four thirds system. It is perfect for portrait photography. Featuring a fast aperture of F/1.8, this lens can produce fantastic depth of field and was designed for pleasing bokeh. This lens also features MSC which is Olympus's fast and silent auto-focus system which is optimized for both still and movie shooting. It also features a light plastic body that doesn't take away from the light shooting experience that micro four thirds is known for.