The Olympus M.Zuiko 45mm f/1.8 is a high-performance portrait lens with a bright f/1.8 aperture. MSC drive technology provides high-speed and silent autofocus which is great for both stills and movie shooting. The shallow depth-of-field when the aperture is fully open delivers portrait pictures with razor sharp focus on the subject and soft, beautiful defocusing of the background and out-of-focus areas of the image. The lenses beautiful metallic silver finish and light weight makes it the perfect complement to your PEN micro four thirds compact system camera body.