Shop › Voigtlander 15mm f/4.5 Aspherical Heliar Z-Mount Voigtlander 15mm f/4.5 Aspherical Heliar Z-Mount $549.00 sold out Voigtlander 15mm f/4.5 Aspherical Heliar — a manual-focus lens for Nikon Z Mount. Filter thread: 58mm. Sold Out Added! Voigtlander 15mm f/4.5 Aspherical Heliar — a manual-focus lens for Nikon Z Mount. Filter thread: 58mm.