Leica Summicron-M 35mm f/2 ASPH. Black, code 11 673, is a wide-angle prime lens for Leica M rangefinder cameras and compatible M-mount bodies. The 35 mm focal length provides a versatile angle of view suitable for reportage, street photography, documentary work, travel, environmental portraiture, and everyday use, while the f/2 maximum aperture offers a good balance between brightness, compactness, and depth-of-field control. The optical design consists of 7 elements in 5 groups and includes one aspherical element, designed to help control aberrations and maintain consistent rendering across the frame. Focusing is fully manual, with rangefinder coupling on compatible Leica M cameras, and the minimum focusing distance is 0.70 m. The lens features an 11-blade diaphragm, a minimum aperture of f/16, an E39 filter thread, and 6-bit coding for automatic lens recognition on compatible digital Leica M bodies. The Black version has a black anodized finish, compact dimensions, and a weight of approximately 252 g, making it suitable for discreet and well-balanced use on both analog and digital Leica M bodies. Leica Summicron-M 35mm f/2 ASPH. Black code 11 673 is suitable for photographers looking for a compact, bright, manual 35 mm lens with traditional Leica M construction and modern optical rendering for an essential and controlled photographic workflow.