Panasonic LUMIX G Leica DG Summilux 15mm f/1.7 ASPH. Lens (Black)A marvel of design and innovation the Panasonic LUMIX G Leica DG Summilux 15mm f 1. 7 ASPH lens allows you to capture detailed shots like never before. Now more than ever you can zoom in with ease on your subject, the lens fast f 1. 7 maximum aperture allows you to capture photos even in low light conditions. It also helps you gain greater control over the focus position for shallow depth of field and selective focus techniques. The lens has three