Canon's latest patent applications in Japan outline three very interesting, exciting lenses. The patents describe 130mm f/1.8, 300mm f/2.8, and 500mm f/5.6 prime lenses. The usual disclaimer applies: just because a company files patent applications for products does not mean it will ever actually make them. That said, if Canon did make them, the EOS R system would be decidedly stronger. [Read More]