Programmable control ring is, by default, set to adjust manual focus, but can also be used to control aperture or exposure compensation.
Specialized electromagnetic aperture mechanism provides greater exposure control stability that is especially beneficial when working with fast continuous shooting rates.
Rounded nine-blade diaphragm promotes a pleasing out of focus quality that benefits the use of shallow depth of field and selective focus techniques.
Stunning & sharp images quality
Easy to operate control ring
Z-Mount Lens/FX Format Aperture Range: f/1.8 to f/16 Three ED and Three Aspherical Elements Nano Crystal & Super Integrated Coatings