Canon rf 28 70mm f2 8 is stm price July 8, 2019 16 32 64 128 Canon rf 28 70mm f2 8 is stm купить Canon rf 28-70 review Canon 28-70 2.8 rf Canon rf 28-70mm f2 vs 24-70 Canon 28-70mm f2.8 ef Canon rf 70-200mm f/2.8 price