Sigma 28mm f/1.4 DG HSM Art Lens for Sony E with Essential Bundle - Includes: Professional 2.2x Telephoto Lens Attachment, 0.43x Wide-Angle Macro Lens Attachment, Variable Neutral Density Filter &More

E-Mount Lens/Full-Frame Format; Aperture Range: f/1.4 to f/16 Two FLD Elements, Three SLD Elements; Three Aspherical Elements Super Multi-Layer Coating; Hyper Sonic AF Motor, Manual Override Weather-Sealed, Protective Front Coating Rounded 9-Blade Diaphragm