Micro Four Thirds System | 18mm (35mm Equivalent) | Aperture Range: f/1.7 to f/16 | Minimum Focusing Distance: 3.7" | Two Aspherical Elements | Two ED Elements, One UHR Element
L-Mount Lens/Full-Frame Format | Aperture Range: f/1.8 to f/16 | Three Aspherical Elements | Linear AF Motor | Rounded 9-Blade Diaphragm | Weather-Sealed Construction