Canon rf 24 70mm f4l July 8, 2019 16 32 64 128 Canon rf 24 70mm f4l is usm Canon rf 24-70 f2.8 portrait Canon rf 24-70 f2.8 review Canon rf 24-70 f2.8 dpreview Canon 24 70mm Canon rf 24-70 f2.8 vs ef 24-70