The full force of Sony’s latest lens technology brings stunning resolution, exquisite bokeh, and evolved AF performance together in a lightweight large-aperture G Master telephoto zoom lens. This lens features an advanced optical design that includes one XA (extreme aspherical) element for incredible corner-to-corner high-resolution, along with beautiful background defocus (bokeh). Four XD (Extreme Dynamic) Linear Motors deliver incredibly fast, precise, quiet autofocus and tracking.