APS-C | f/1.4 to f/16 | 25.6mm (Full-Frame Equivalent) | Rounded 9-Blade Diaphragm | Stepping Motor AF System | Super Multi-Layer Coating | Two Aspherical Elements
E-Mount Lens/APS-C Format | 24mm, Aperture Range: f/1.4 to f/16 | 3 FLD, 2 SLD, and 2 Aspherical Elements | Super Multi-Layer Coating | Stepping AF Motor | 2 Year + 6 month extended warranty