Olympus introduces new Four Thirds System Standard Interchangeable Lenses, featuring SWD (Supersonic Wave Drive) "ZUIKO DIGITAL ED 12-60mm F2.8-4.0 SWD" "ZUIKO DIGITAL ED 50-200mm F2.8-3.5 SWD" "ZUIKO DIGITAL ED 14-35mm F2.0 SWD"