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Canon Patent: 400mm F2.8, 500mm F4 And 600mm F4 Lenses

Canon Patent: 400mm F2.8, 500mm F4 And 600mm F4 Lenses

New Canon patent for you, ladies and gentlemen. Canon patent application 2024009238 (Japan, published 01/19/2024) discusses optical formulas for three telephoto prime lenses, all for fullframe mirrorless cameras. 400mm F2.8…

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