Product Highlights: E-Mount Lens/Full-Frame Format Aperture Range: f/1.4 to f/16 Two XA Elements, Three ED Elements Nano AR and Fluorine Coatings Direct Drive Super Sonic Wave AF Motor AF/MF Switch, Internal Focus Focus Hold Button Physical Aperture Ring, De-Click Switch Dust and Moisture-Resistant Construction Rounded 11-Blade Diaphragm