This compact lens is compatible with the Panasonic Micro Four Thirds system and can also be used with Olympus cameras. The fixed-focus lens is perfect for artistic photography with great depth of field effects. It has a wide aperture and its focal length (50mm equivalent) mimics the viewing angle and perspective of the human eye. With silent focus and smooth aperture shifting, it is also very useful as a video lens. The construction of the lens consists of 8 elements in 7 groups.