- E-Mount Lens/Full-Frame Format or L-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
The 28-70mm f/2.8 DG DN Contemporary Lens for Sony E-Mount & Leica L-Mount from Sigma is a versatile wide-angle to portrait-length zoom characterized by its f/2.8 constant maximum aperture. The design suits working in available lighting conditions while affording increased control over depth of field.
