The LUMIX G 14mm F2. 5 II ASPH. based on the Micro Four Thirds system standard features high quality design & short overall length of Approx. 20. 5mm. It stylishly matches the GM series of LUMIX Digital Single Lens Mirrorless DSLM camera. The LUMIX G 14mm F2. 5 II ASPH. features a 14mm 35mm camera equivalent 28mm wide-angle & F2. 5 high-speed with sharp high contrast image rendering. Taking advantage of the wide angle of view & deep depth of field this compact size lens offers excellent performance in shooting not only landscapes but also snapshot or indoor shooting. Comprising of 6 lenses in 5 groups including 3 aspherical lenses the lens system achieves both high compactness with short overall length & high optical performance. It also excels in shooting subjects with components of straight line including architectures thanks to the minimized distortion. It incorporates a superior inner focus system which enables excellent resolution & contrast from full life-size magnification to infinity. The inclusion of stepping motor makes the focusing action smooth & silent for use in both photo & video recording to be classified in LUMIX HD Lens. When mounted on the Digital Single Lens Mirrorless DSLM cameras of LUMIX G users can take advantage of the high-speed high-precision Contrast AF system. 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.