• 14 lenses in 11 groups are fitted with 3 aspherical lenses and 1 SLD glass Effectively suppresses aberrations such as non-point aberrations and image curvature that cannot be corrected by the camera side function • Uses a linear motor "High-response Linear Actuator" The focus lens is also turned into a single double-sided aspherical lens for high-speed, silent focusing and high tracking while being a large aperture • It features a focus mode switch, aperture ring click switch that can turn the click on or off, aperture lock switch to prevent accidental operation, and AFL button to assign any function from the camera. Intuitive operation is taken into consideration when shooting • 2.0 inches (50 mm) F1.4