- One phase fresnel element
- Silent wave motor af system
- Electromagnetic diaphragm mechanism
F-Mount Lens/FX Format Aperture Range: f/5.6 to f/32 One Phase Fresnel Element Three Extra-Low Dispersion Elements Nano Crystal & Super Integrated Coatings Fluorine-Coated Front Lens Element Silent Wave Motor AF System Vibration Reduction, Sport/Tripod Modes Electromagnetic Diaphragm Mechanism Detachable, Rotatable Tripod Collar