The Biogon T* 2/35 ZM is the fastest lens in the Biogon family. It offers outstanding performance, distortion-free images, and the fast f/2 aperture permits handheld photography under difficult lighting conditions. When stopped down, the lens accurately captures the smallest details, yielding images with very good contrast and ‘sparkle’. The Biogon T* 2/35 ZM is a favorite of photojournalists and an all around outstanding performer for almost any application.