US 4,770,511↗1988Assignee: Nippon Kogaku K.K.Inventors: Yasuo Yonezawa, Yasuhiro Aono, Tomowaki TakahashiNikon AI Zoom-Nikkor 35-200mm f/3.5-4.5S— 17 elements / 13 groups, f = 36.23-194.85 mm computed