Panasonic MFT 10-25mm f/1.7 Leica DG Vario-Summilux

The Panasonic MFT 10-25 mm f/1.7 Leica DG Vario-Summilux is the first wide-angle zoom lens for the Micro Four Thirds system with a fixed aperture of f/1.7 across the entire zoom range.