Canon patents for a Canon 20-40mm F2.8 and 20-50mm F4 lens have been found. You can check them out below: overview [Publication number] JP2025-68535 (P2025-68535A) [Release date] April 28, 2025 (2025.4.28) [Name of invention] Zoom lens and imaging device having the same [Application date] October 16, 2023 (October 16, 2023) [Applicant] [Identification number] 000001007 [Name […]
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