Panasonic Lumix G Vario 7-14mm f/4.0 ASPH. Lens - Micro Four Thirds Format 2 Aspherical Lenses / 4 ED Lenses Contrast AF System Support Continuous AF/AE Function-Photos/Movies Circular Aperture Diaphragm/7 Blades Multi-Coated Lens Elements/Reduced Flare