Panasonic Leica DG Summilux 15mm f/1.7 ASPH. Lens. Fast and versatile, the Leica DG Summilux 15mm f/1.7 ASPH.
from Panasonic is a 30mm equivalent wide-angle lens for Micro Four Thirds mirrorless cameras. Its bright 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.