Takayoshi Yokoyama — Lens Patent Author | Surface & Stop

Takayoshi Yokoyama1 related patent across 1 interactive lens diagram.
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Canon Inc. (1)
Canon Inc.(1)JP 2008-145584 A↗2008Assignee: Canon Inc.
Inventors: Takayoshi Yokoyama
CANON EF 200mm f/2 L IS USM— 17 elements / 12 groups incl. filter; 16 powered elements rendered, f = 194.991 mm design; 200 mm marketed