Canon filed a new telephoto zoom lens patent in Japan. This lens is EF 70-400mm f/4.5-5.6 IS lens.
Continue reading “Canon New Patent: EF 70-400mm f/4.5-5.6 IS”
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Canon filed a new telephoto zoom lens patent in Japan. This lens is EF 70-400mm f/4.5-5.6 IS lens.
Continue reading “Canon New Patent: EF 70-400mm f/4.5-5.6 IS”