Canon EOS R1, the big chance to impress. Following the announcement EOSHD went back through the R1 rumours, which hinted at stunning achievements to come. The flagship of flagships. No more cripple hammer. Quad Pixel AF, 80 megapixel, internal ND, dual gain sensor readout, 18+ stops dynamic range, global shutter and AI brain more intelligent than a thousands wedding photographers. Alas, Canon have ended up playing it safe, and at…