Tag Archives: Canon 20-40mm f/2.8

Canon 20-40mm f/2.8, 10-30mm f/4 APS-C, 28-400mm F3.5-6.3 IS, 28-400mm f/4-8 IS, 50-150mm f/2.8, 70-180mm f/2.8, 50mm f/1.2, 35mm f/1.8, and 65mm f/1.8 Patents Found

By Louis Ferreira | Published: October 8, 2025

Several new patents have been found for Canon RF lenses that you can check out below:

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Canon 20-40mm F2.8 and 20-50mm F4 Lens Patents Found

By Louis Ferreira | Published: May 1, 2025

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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