The SEL40F25G Full Frame lens: a wide angle lens for stills and movies. Featuring an advanced optical design that includes three aspherical elements for incredible corner-to-corner high-resolution, along with beautiful background defocus (bokeh). Two double linear motors provide fast, precise AF with excellent tracking performance, with quiet autofocus and tracking in this compact-sized and lightweight Sony G lens. Internal focusing ensures the angle of view is stable during focusing (focus breathing minimised). An incredible video lens, the SEL40F25G delivers smooth, fast and continuous auto focus performance for movie shooting.