Olympus M.ZUIKO DIGITAL ED 40-150mm F2.8 PRO1.4x Tele-converter kitInternational Version (seller Warranty) Superior image quality, with the fixed f2.8 aperture at all focal lengths Mobility that comes from a fixed-length compact body outfitted with fast aperture lens and splash & dust proof construction A fast, accurate AF with high close-up performance, achieved with the world's first Dual VCM focusing system Combined with a teleconverter, it provides a high quality and high performance 112-420mm*1 telephoto zoom.