Vivitar 650-1300mm f/8-16 SERIES 1 Telephoto Zoom Lens with 2x Teleconverter (=650-2600mm) for Panasonic / Olympus Evolt E-30, E-300, E-330, E-410, E-420, E-450, E-500, E-510, E-520, E-600, E-620, E-1, E-3 Digital SLR Cameras