Tadashi Endo — Lens Patent Author

Tadashi Endo1 related patent across 1 interactive lens diagram.
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Canon Inc. (1)
Canon Inc.(1)JP H08-110467 A↗1996Assignee: Canon Inc.
Inventors: Tadashi Endo
CANON EF 20mm f/2.8 USM— 11 elements / 9 groups, Patent EFL 20.498624 mm; retained at printed scale