- Stepping motor af system
- Weather-sealed design, fluorine coating
- Rounded 7-blade diaphragm
- Internal focusing system
- Control ring
Z-Mount Lens/FX Format Aperture Range: f/4 to f/22 Aspherical Extra-Low Dispersion Element Three Aspherical Elements Nano Crystal & Super Integrated Coatings Stepping Motor AF System Programmable Control Ring Weather-Sealed Design, Fluorine Coating Rounded 7-Blade Diaphragm Retractable Design