US 2011/0286116 A1↗2011Assignee: Tamron Co., Ltd.Inventors: Kaori Shimizu, Hisayuki YamanakaTAMRON SP AF 60mm f/2 Di II LD [IF] MACRO 1:1 (G005)— 14 ELEMENTS / 10 GROUPS, 60mm f/2 (MARKETED)