The 35mm F1.4 GM features a superior optical design, including two XA (Extreme Aspherical) elements and an ED (Extra-low Dispersion) glass element that deliver outstanding corner-to-corner resolution, even wide open. The 11-blade circular F1.4 aperture mechanism creates beautiful bokeh that is a hallmark of the G Master series. Fast focusing is attained through the XD (Extreme Dynamic) linear focus drive system. This lens sports class-leading size and weight, providing great handling and mobility.