✔ Canon EF Mount Lens/Full-Frame Format
✔ Aperture Range: f/2.8 to f/22
✔ Two SLD Elements
✔ Super Multi-Layer Coating
✔ Canon EF Mount Lens/Full-Frame Format
✔ Aperture Range: f/1.4 to f/16
✔ Three FLD Elements, Two SLD Elements
✔ One Aspherical Element