X-Mount Lens/APS-C Format | 15-36mm (35mm Equivalent) | Aperture Range: f/4 to f/22 | Four Aspherical Elements | Four Extra-Low Dispersion Elements | Super EBC Coating | Stepping Autofocus Motor | Optical Image Stabilization | Weather-Sealed Construction | Rounded 7-Blade Diaphragm | 2 year warranty