The SEL11F18 APS-C lens: A new ultra wide-angle lens with a constant F1.8 aperture that offers outstanding image quality and ideal operability, especially for stills and movies. The advanced optical design with three ED (Extra Low Dispersion) elements and three aspherical elements ensures excellent resolution in this APS-C lens with a constant F1.8 aperture. The circular aperture with 7 blades ensures beautiful bokeh (background blur). Two linear motors ensure fast and precise focusing for both photography and videography. The SEL11F18 is an excellent E-mount lens from Sony for video recording. It offers smooth, fast and continuous autofocus performance for movie shooting with minimized focus breathing, focus shift when zooming and axis shift for high-quality results.