The high-speed F1. 7 lens offers a beautiful bokeh effect for more impressive creative shots. Together with the 50mm focal distance 35mm camera equivalent which is almost the same viewing angle & sense of perspective of human eyes this lens is ideal for a portraits or scenery as they see. The new lens system comprising of 8 elements in 7 groups uses an Ultra-High Refractive Index UHR lens & two aspherical lenses. The UHR lens achieves uniformed description from the center to the edges & aspherical lenses suppress spherical aberration & distortion. It is compatible with the sensor drive at max. 240 fps to take maximum advantage of cameras with high-speed AF. An inner focus drive system & stepping motor for smooth silent operation to work with the cameras high-speed high-precision Contrast AF system for both photo & video recording. Sensor drive performance varies depending on the camera. Achieving high picture quality the LUMIX G 25mm F1. 7 ASPH. features compact lightweight profile. You can carry it around easily & enjoy bokeh expression casually. 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. Highly reliable metal mount assures durability for active use & uses multi-coated lens elements that minimize ghosts & flare to further enhance its shooting performance.