According to the Egami , a new patent of Canon super telephoto zoom lens: Canon EF-M 70-400mm f/4.5-7.2 STM Lens has been posted. Read More »
Patent of Canon EF-M 70-400mm f/4.5-7.2 STM Lens
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According to the Egami , a new patent of Canon super telephoto zoom lens: Canon EF-M 70-400mm f/4.5-7.2 STM Lens has been posted. Read More »