Leica Summilux-M 90mm f/1.5 ASPH David Farkas December 12, 2019 Today, Leica has announced a new addition to the venerable M lens roster, the Summilux-M 90mm f/1.5 ASPH. As the fastest 90mm lens Leica has ever produced, the new 90mm Summilux-M follows in the footsteps of t...