16:00
Patent: Canon RF 70-300mm f/4-5.6 IS
Another detailed patent for an RF 70-300mm f/4-5.6 IS lens has appeared, the first one came as part of a patent for an RF 100-400mm Read more...
19:41
Patent: Canon RF 100-400mm f/3.5-5.6L IS and more
More telephoto zoom lens patents for the RF mount have been uncovered by Canon News. A couple of them look to be “consumer” zoom lenses Read more...