Take photos of surprising beauty thanks to an F1.7 aperture that provides smooth background focus. This LEICA DG SUMMILUX lens also features an aperture ring for easy exposure adjustment and an AF/MF switch to switch to manual focus while aiming at the subject - two intuitive features for professional use. Thanks to its outstanding mobility, this lens is perfect for a wide range of shooting situations and ensures absolutely realistic expression. Choose a LEICA DG lens with ultimate optical quality and performance. Naturally, the lenses meet the strict quality standards of Leica Camera AG. Minimize unwanted light reflections - thanks to the nano surface coating on the system lenses. This special, ultra-thin coating was developed by Panasonic to reduce disturbing light reflections across the entire light spectrum. The result is crystal clear images even when shooting light sources in the dark.