Canon EF 40-800mm f/4.5-5.6 Lens Patent
Canon has filed a new patent for EF 40-800mm f/4.5-5.6 super telephoto zoom lens, which will be the ultimate all-in-one
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Canon has filed a new patent for EF 40-800mm f/4.5-5.6 super telephoto zoom lens, which will be the ultimate all-in-one
Continue reading