A highly versatile lens and inspiring stand-alone perfect for pretty much what-ever. It is based on a 9 optical elements version of the Carl Zeiss Biogon. lens concept for exceptional image quality. It offers a small size, high speed, stunning resolving power and next to zero distortion . a unique combination for an M-mount camera. Perfect for travel, photojournalism, street photography, human-interest reportage (outdoors and indoors) and documentation.