Canon RF Patents: 70-300mm F4-7.2 IS, 100-350mm F5.6-8 IS & 250-600mm F7.5-11 IS Lenses
Canon has filed several new compact and lightweight zoom lens patents for RF 70-300mm F4-7.2 IS, RF 100-350mm F5.6-8 IS
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Tag: Canon RF 250-600mm f/7.5-11 IS Lenses USM Lens