Tag Archives: Canon 20-50mm F4

Lots of Canon Motorized Zoom Lens Patents Found Plus Full Frame Canon 100-500mm F4.5-6.3 IS and Canon 100-600mm F4.5-6.3 IS

By Louis Ferreira | Published: June 19, 2025

It looks like Canon is going to expand its V lineup of lenses with multiple motorized zoom patents found covering: 20-50mm f/4 Full Frame 20-60mm f/4 Full Frame 18-45mm f/4 Full Frame 16-35mm f/4 Full Frame 17-45mm f/2.8 APS-C 16-45mm f/2.8 APS-C 17-75mm f/2.8-4.4 APS-C 17-45mm f/2.8 Super35mm 24-50mm f/4 Full Frame 25-60mm f/4 Full […]

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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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