Sony FE 20mm F/1.8 G Lens (SEL20F18G)

KeyFeatures.
E-Mount Lens/Full-Frame Format
Aperture Range: f/1.8 to f/22
Two Aspherical Elements
Three Extra-Low Dispersion Elements
Nano AR Coating and Fluorine Coating
Dual XD Linear Motor AF System
Linear Manual Focus Response
Focus Hold Button, Focus Mode Switch
Dust and Moisture Resistant
Rounded 9-Blade Diaphragm