the black Summarit-M 35mm f/2.4 ASPH. Lens from Leica is a standard wide-angle prime well-suited for everyday walk-around use. Its optical design features one aspherical element to control distortion for improved sharpness, and high refractive index glass with anomalous partial dispersion is also used to minimize color fringing and chromatic aberrations. Its manual focus design allows working with subjects as close as 2.6' away and a nine-blade diaphragm contributes to a smooth bokeh quality for shallow depth of field shooting.