Canon 50mm f:1.8 Camera lens

Canon Camera Co. Japan No. 163239 Canon lens 50mm f/1.8. Canon/Serenar from the year 1951 - 6 elements. It has become very popular - very high quality. A highly sought vintage lens with LTM - M39 Leica thread. It looks wonderful. Typical age-related vintage condition applies. Possesses the incomparable CANON mastic that is no longer produced. Six elements in four groups. Type Planar. Rigid. Marked on the foot. Designed by Kuroki Masana in April 1949. With infinity lock. Made of chromed brass. Quality comparable to Leica Summicron 50/2. Dimensions 69.2 x 39.3 mm, 160 g, filter diameter 49. Horizontal angle 40, vertical 28, diagonal 46 degrees. Seven diaphragm blades. A highly desirable objective.