Canon ef 24 70mm f 4l is usm vs 2.8 July 8, 2019 16 32 64 128 Canon ef 24 70mm f 2.8l ii usm vs canon ef 24 70mm f 4l is usm Canon 24-70 2.8 ii vs 24-70 f4 Canon ef 24-70 2.8 l usm Canon rf 24-70 f2.8 vs ef 24-70 Canon 24-70 2.8 ii eos r