Olympus M.ZUIKO DIGITAL ED 75-300mm f/4.8-6.7 II 2.2x Super Telephoto High Definition Lens — Mounts Directly On Top Of Olympus Lens

2.2x high-definition super-telephoto lens engineered to mount directly on top of Olympus lenses and designed for use with traditional SLR lenses. Optical construction is a High Definition Digital Lens (3 Groups/3 Elements) specifically optimized for Mega Pixel photography. MultiCoated optical glass helps control reflections and accepts 72mm filters. Extreme Speed Auto Focus ensures fast operation and produces crisp, clear images.