Used Panasonic Leica DG Summilux 15mm f/1.7 ASPH.

Create photos with stunningly beautiful, softly focused backgrounds thanks to f/1.7 brightness. This Leica DG Summilux lens also features an aperture ring for easy adjustment of exposure, and an AF/MF switch that lets you change to manual focus while framing your subject - two intuitive functionalities for professional use. Its excellent mobility makes this lens ideal for every situation, delivering true-to-life expression. ...