The 28-70mm f/2.8 DG DN for Sony E-Mount from SIGMA is a versatile wide-angle to portrait-length zoom characterized by its f/2.8 constant maximum aperture. (Available For Sony, Panasonic and Leica).
E-Mount Lens/Full-Frame Format.
Aperture Range: f/2.8 to f/22.
Two FLD Elements, Two SLD Elements.
Three Aspherical Elements.
Super Multi-Layer & Nano Porous Coatings.
Water- and Oil-Repellent Front Coating.
Stepping Motor AF System.
Rounded 9-Blade Diaphragm.
Dust- and Splash-Proof Design.
Available For Sony, Panasonic and Leica.