The Panasonic LEICA DG ELMARIT 200mm F2.8 POWER O.I.S. is a new lens that's seemingly perfect for sports and wildlife photographers - 400mm effective focal length, fast f/2.8 aperture, relatively light and compact, and with the option of using a 1.4x or 2x teleconverter to further extend the reach. Read our Leica 200mm f/2.8 review to find out if it can live up to its promise...