Canon RF Patents: 28mm f/1.4, 30mm f/1.4 and 35mm f/1.4 Lenses

Canon filed a patent discussing optical designs of RF 28mm F1.4, RF 30mm F1.4 and RF 35mm F1.4 for Canon full frame mirrorless cameras. [Publication number] JP 2021-63966(P2021-63966A) [Publication date] April 22, 2021 [Patent application title] Optical system and imaging device RF28mm F1.4 Focal length: 28.00 mm F number: 1.42 Half angle of view: 37.69 Image height: 21.64 mm Lens […]

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