Canon has today introduced four new EF lenses, including an L-series 8-15mm fisheye, plus two new teleconverters. The six are the EF 8-15mm f/4L Fisheye, EF 70-300mm f/4-5.6L IS, EF 300mm f/2.8L IS II, EF 400mm f/2.8L IS II, Extender EF 1.4x III and Extender EF 2x III.
