This lens from Sigma is a top-of-the-line option for Canon EF mount cameras. With a maximum aperture of f/1.4 and a focal length of 20mm, it is perfect for capturing stunning wide-angle shots. The lens is also compatible with full-frame cameras and has both auto and manual focus options. Additionally, it is part of Sigma's Art series, ensuring high-quality results every time. Includes, 2 cap and cases.