Focal Length: 8-18mm Aperture Range: f/2.8-4.0 to f/22 Micro Four Thirds Mount Lens 2.25x Optical Wide Angle Zoom 1 Aspherical ED Lens and 3 Aspherical Lenses 2 ED Lenses and 1 UHR Lens Panasonic's Nano Surface Coating 67mm Lens Filter Thread Fast Focus Tracking via 240 fps AF Drive Splashproof, Dustproof and Freezeproof Metal Body