US 4,437,733↗1984Assignee: Nippon Kogaku K.K.Inventors: Tomowaki Takahashi, Kunio Konno, Toshihiro SasayaEmbodiment 1NIKON TV-NIKKOR 11.5-69mm f/1.2 (Nikon S-100)— 15 GLASS BODIES / 11 AIR-SPACED GROUPS, 5 PATENT LENS GROUPS + PRISM