Sony 70-200mm f/2.8 G SSM II Lens Zoom from 70mm medium telephoto to 200mm telephoto with a constant F2.8 maximum aperture. Original Sony Nano AR Coating technology suppresses internal reflections, minimizing flare and ghosting for outstanding clarity from highlights to well-defined blacks. Four ED glass elements contribute to prime-lens class sharpness throughout the zoom range, but this lens can also produce gorgeous background bokeh when needed.