The latest Canon patents:
Canon 20-60mm f/2.8 and 28-70mm f/2.8 Patents Found
Canon 35-600mm f/4-7.1 and Canon 28-500mm f/3.5-7.1 Lens Patents Found
Canon 14-20mm f/2 and 14-24mm f/2.8 Patents Found
Canon Patents For Inner Zoom 15-60mm F2.8 and 22-80mm F2.8 Found
Canon RF33mm f/1.8 APS-C and Canon RF24mm f/2.8 Full Frame Patents Found
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