Patent: Canon RF 70-300mm f/4-5.6 IS
Another detailed patent for an RF 70-300mm f/4-5.6 IS lens has appeared,…
Patent: Canon RF 100-400mm f/3.5-5.6L IS and more
More telephoto zoom lens patents for the RF mount have been uncovered…
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Tag: RF 70-300 f/4-5.6 IS
