Olympus M.Zuiko Digital 17mm f/1.8 Lens (Black)
Micro Four Thirds System
34mm (35mm Equivalent)
Aperture Range: f/1.8 to f/22
One DSA Element, Two Aspherical Elements
One High Refractive Index Element
Movie & Still Compatible AF System
Manual Focus Clutch
Rounded 7-Blade Diaphragm