US 3,862,794 A1975
Assignee: Olympus Optical Co., Ltd.
Inventors: Toru Fujii
2 related patents across 2 interactive lens diagrams.
Assignee: Olympus Optical Co., Ltd.
Inventors: Toru Fujii
Assignee: Olympus Optical Co., Ltd.
Inventors: Kazuo Ikari, Toru Fujii