New Patent: Canon EF 70-200mm f/2.8 DO Lens
Canon has filed a new patent for EF 70-200mm f/2.8 DO (Diffractive Optics) lens, which is expected to be announced
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Canon has filed a new patent for EF 70-200mm f/2.8 DO (Diffractive Optics) lens, which is expected to be announced
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