18mm ultra-wide-angle focal length for expansive perspectives
f/2.8 maximum aperture for low-light shooting
Fast and accurate autofocus for photo and video shooting
7-blade aperture for smooth and attractive bokeh
E-Mount Lens/Full-Frame Format
Aperture Range: f/2.8 to f/22
Three Aspherical and Two HR Elements
Three Extra-Low Dispersion Elements
Ultra Multi-Coating
Linear STM AF Motor, MF Override
7-Blade Diaphragm