Lens Lab
    Cosinon 50 mm f/ 1.7 MC Auto
    Cosinon 50 mm f/ 1.7 MC Auto

    Cosinon 50 mm f/ 1.7 MC Auto

    50mm · f/1.7

    Overview

    The Cosinon 50mm f/1.7 MC Auto is a budget-friendly vintage lens praised for its surprising optical quality. It delivers sharp images with good contrast, especially when stopped down, though wide-open performance may be softer. Build quality is described as decent but somewhat crude compared to premium alternatives, with smooth focus. It suits photographers seeking an affordable, capable normal lens for manual focus systems, particularly those experimenting with vintage glass.