The Lumix G Vario 14-45mm (35mm equivalent: 28-90mm) f/3.5-5.6 ASPH. MEGA O.I.S lens is suitable for a wide range of scenes from portrait to landscape photography. The aspheric lens element also improves optical performance by minimizing distortion, even at the 28mm wide focal length. The Panasonic MEGA O.I.S. (Optical Image Stabilizer) powerfully compensates for any shake that occurs, especially when shooting in low light situations.Seven blades give the aperture a rounded shape that produces an attractively smooth effect in out-of-focus areas when shooting at larger aperture settings. The multi-coated lens elements help minimize ghosts and flare to insure a sharp, clear image The metal mount assures durability for repeated mounting and removal.