Panasonic H-FS100300E LUMIX G VARIO 100-300mm F4.0-5.6 MEGA O.I.S. Lens - International Version (No Warranty) This version is originally intended for sale outside the US and may contain adapters, manuals, and warranties not compatible with US standards. Model: H-FS100300E Maximum focal length of 600mm super telephoto zoom (35mm camera equivalent) 67mm filter size, Multi-coated lens elements minimize ghosts and flare Micro Four Thirds mount