Tamron 200-800mm F6.7 and 200-600mm F5.6 Patents Found Canon 28-105mm F4 and 24-35mm F2 Patents Found Canon 50mm F1.5 and 32mm F0.75 Patents Found Fujinon 50-135mm F2.8, 18-135mm F3.5-5.6, and 18-300mm F3.5-6.3 Patents Found Tamron 70-180mm f/2.8 Di III VXD Patent Found Might Be G2 or Maybe G3 Related posts: Tamron 50-400mm f/4.5-6.3 Di III … Continue reading The latest patents from Canon, Fuji, and Tamron