The Leica SUMMILUX-M 35mm f/1.4 Aspherical Lens ensures superior optics and exceptional performance in a variety of situations. With an aperture range from f/1.4 to f/16 it lets you capture landscapes or focus on close-ups with ease. Compatible with full frame 35 mm image systems, the lens construction features 9 elements in 5 groups. The lenses behind the aperture blades in this Leica lens are a floating group that change their position while focusing, according to that of the front lens group. It is a compact aspherical lens with a rectangular, screw-mount lens hood with a metal body and weighs approximately 320 g, making it a versatile lightweight companion for your digital cameras.