Characterized by its sleek, unobtrusive profile, theLeica Elmarit-M 28mm f/2.8 ASPH Lens is a compact optic that is particularly well-suited for street photography applications. Beyond its svelte stature, this wide-angle prime also features an eight-element, six-group optical design that contains one aspherical element to minimize spherical aberrations and nearly all distortions for clean, sharp image quality throughout the aperture and focusing ranges. Additionally, for intuitive handling and use, the manual focus design lends precise control while shooting, and its short, just over 1" in length, profile barely protrudes into the viewfinder field of M cameras for a clearer, uncluttered perspective while composing images.One aspherical element is incorporated within the sophisticated optical design to reduce spherical aberrations and nearly all distortions for increased sharpness and clarity. This aspherical element also contributes to a compact design that extends just slightly into the viewfinder of M cameras.Bright f/2.8 maximum aperture is suitable for working in a variety of shooting conditions.Manual focus design provides a minimum focusing distance of 70cm with a maximum magnification ratio of 1:22.An all-metal threaded lens hood is included, as well as a threaded protection ring for use when the lens hood is not attached. Additionally, metal lens caps are also included.