Panasonic 7-14mm F4.0

Features
Ultra-Wide Angle
14-28mm - 35mm Format Equivalent
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