Sony FE 16-35mm f/2.8 GM Lens

E-Mount Lens/Full-Frame Format
Aperture Range: f/2.8 to f/22
Two Extra-Low Dispersion Elements
Three Aspherical and Two XA Elements
Nano AR Coating and Fluorine Coating
Direct Drive Super Sonic Wave AF Motors
Focus Hold Button; AF/MF Switch
Dust and Moisture-Resistant Construction
Rounded 11-Blade Diaphragm