Light lens lab 50mm F2 Brass Black for Leica Summicron M3 M6 M10
Light Lens Lab 50/2 Leica Summicron M. The original 50 f/2 Summicron from 1958 is a classic lens, still coveted for the “Leica glow” of its images and its lack of distortion, and as a now-pricey collectible.