The Leica DG Summilux 15mm f/1.7 ASPH lens allows you to capture supreme snapshots with beautiful defocus features produced by f/1.7 high speed. The fast f/1.7 maximum aperture benefits working in low-light conditions and also avails greater control over the focus position for shallow depth of field and selective focus techniques. Certified with the name of world-renowned LEICA, the exceptional high image quality is guaranteed. The new lens system comprising of 9 elements in 7 groups uses 3 aspherical lenses. The aspherical lenses reduce spherical aberration and distortion effectively which guarantees a sharp and clear image.