Canon's series of L lenses (Luxury lenses) are a professional line of photography lenses made by Canon. Canon has sold zoom and prime L-series lenses for the discontinued FD lens mount, for the current EF lens mount used on all Canon EOS SLR cameras and for the RF mount used on full-frame mirrorless interchangeable-lens cameras.
Canon L series lenses have a red ring around the lens barrel and the letter "L". Some models of L lenses utilize an infrared reflective heat shield coating. Most L seri...