The 75mm f1.4 Summilux is a legendary lens, designed in 1980 it only became more legendary when it was discontinued in 2007.The lens’s optical design is a derivative of the Leica 50mm Noctilux of the time. The lens is a compact ,fast, short telephoto rangefinder lens designed for portrait and shallow-depth-of-field. The lens has been subsequently replaced by the M 75mm f1.25 Noctilux which sell new for over $14,000.