Panasonic DMW-LT55 55mm Tele Conversion Lens for Panasonic FZ7, FZ30, FZ18, and FZ50 Digital Cameras Telephoto conversion lens for Panasonic ultra-zoom camera 1.7x magnification level extends 12x zoom up to 20.4x Produces remarkably clear, expressive shots of distance objects Supports Panasonic Lumix DMC-FZ30 and DMC-FZ7 cameras Measures 3.2 inches in diameter and 3.1 inches long; 1-year warranty