The Apo-Lanthar from 1952 is the highest stage of development of the Voigtlnder Heliar. The structure of the Apo-Lanthar corresponds to the Color-Heliar. Using very special glass the Apo-Lanthar became the first apochromatic corrected lens for medium format. It got very famous for its performance. The Apo-Lanthar was only available for medium and large format cameras. — Near mint lens with perfect clean optics in working Compound shutter. — A- — — 3455071