Lens Lab
    Cosinon Auto MC 40 mm f/ 2.5
    Cosinon Auto MC 40 mm f/ 2.5

    Cosinon Auto MC 40 mm f/ 2.5

    40mm · f/2.5

    Overview

    The Cosinon Auto MC 40mm f/2.5 is a standard prime for 35mm SLRs. It offers decent sharpness but may have some optical weaknesses typical of its era. Build quality is solid, with a metal barrel and smooth focusing. It suits photographers seeking a compact, affordable normal lens for film cameras, though modern users might find it less competitive.