Further improved high image quality and a compact, lightweight design Focal Length: 12-40mm (24-80mm Equivalent) | Shooting Magnification: 0.3x High-speed Imager AF (MSC) Focusing System Angle of view: 84 to 30 degrees Maximum Aperture: f2.8, Minimum Aperture: f22.0 Closest focusing distance: 0.2m | Number of Blades: 7 (circular aperture diaphragm) Lens construction: 14 Elements in 9 Groups Dust, Splashproof, Freezeproof IP53 | Fluorine Coating MF Clutch, Distance Markers