Olympus M. Zuiko Digital 45mm f/1.8 Lens (Four Thirds System, Silver)This single focal length portrait lens has a beautiful shallow depth of field which allows for background blurring effects that are not possible with the 14 42mm kit zoom lens. The Movie Still Compatible (MSC) mechanism utilizes nearly silent focusing technology. It is great for tracking a moving child or pet, and provides a quick and silent focus mechanism for movies and still photography.