Olympus M.Zuiko 75-300mm f/4.8-6.7 ED Digital Zoom Lens (Black) F/4.8-6.7 with a 35 mm equivalent of 150-600mm Is the world's smallest and lightest 600mm super telephoto lens The 75-300mm's rear focusing mechanism is comprised of a single-element unit, Enable remarkably fast and nearly silent HD video recordings with sound.