Amazon.com : Panasonic LUMIX Professional 50-200mm Camera Lens, G Leica DG Vario-ELMARIT, F2.8-4.0 ASPH, Dual I.S. 2.0 with Power O.I.S, Mirrorless Micro Four Thirds, H-ES50200 (Black) : Electronics
Amazon.com : PANASONIC LUMIX G Leica DG ELMARIT Professional Lens, 200mm, F2.8 ASPH, Mirrorless Micro Four Thirds, Power Optical O.I.S, H-ES200, Includes 1.4X Teleconverter DMW-TC14, (USA Black) : Electronics