This standard focal-length lens, with a natural 50mm equivalent angle of view, replicates the perspective of the human eye. Its optical design includes nine elements in seven groups, featuring two aspherical lenses for optimal performance. The lightweight metal construction measures just 42 mm in length and weighs only 156g.Versatile Everyday LensPerfect for still life, snapshots, and portraits, its bright f/1.8 aperture ensures sharp low-light performance and beautiful bokeh for creative compositions.Reliable in Any SettingWith IPX1-rated splash-proof performance and dust-resistant design, photographers can focus on their craft in any environment, from rainy streets to rugged outdoor adventures..