US 2025/0389929 A1↗2025Assignee: Canon Inc.Inventors: Takahiro SaitoCANON RF 14mm f/1.4 L VCM— 18 ELEMENTS / 13 GROUPS, 14mm f/1.4 (marketed)CANON RF 20mm f/1.4 L VCM— Official: 15 elements / 11 groups; BR layer modeled separately, Patent Example 2: 16 optical members / 11 groups