A wide, fast prime designed for Leica M-mount rangefinder cameras, the black Summilux-M 28mm f/1.4 ASPH. Lens excels in low-light conditions and is also characterized by its consistent sharpness and clarity throughout the aperture and focusing ranges. One aspherical element and a floating elements system, as well as seven elements made from anomalous partial dispersion glass, help to produce color-correct, sharp imagery with minimal distortion and aberrations. The manual focus design of the lens is aided by a focusing tab for critical control and the fast f/1.4 also lends itself to selective focus control for isolating specific subjects within the frame. Featuring a versatile wide-angle focal length with a sophisticated optical design, the Summilux-M 28mm f/1.4 ASPH. rounds out the full set of fast-aperture primes dedicated to offering the utmost in imaging capabilities.