Featuring a bright f/1.7 aperture,, the Lumix G 20mm ASPH lens lets you capture beautiful, expressive images with a delicate soft focus and high contrast. Two aspherical lenses are perfectly configured to deliver enhanced performance in a compact system. The thin, pancake lens mounted, to the Lumix DMC-GH2 or DMC-GF3 is easy to carry anywhere. Be ready for whatever inspires you, from everyday scenes, landscapes, indoor shots in dim lighting, casual snapshots or artistic shots with soft focus.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.