Canon 100 400mm is ii lens weight July 8, 2019 16 32 64 128 Canon 100 400mm lens weight Canon 100 400 i Canon 100-400 with 2x extender Canon ef 100-400mm f/4.5-5.6l is ii usm lens Canon ef 100-400mm f/4.5-5.6l is Canon telephoto lens 100-400mm