Shop › Voigtlander 40mm f/1.4 MC VM Voigtlander 40mm f/1.4 MC VM $479.00 sold out Voigtlander 40mm f/1.4 MC — a manual-focus lens for Leica M Mount. Filter thread: 43mm. Nokton Classic. Sold Out Added! Voigtlander 40mm f/1.4 MC — a manual-focus lens for Leica M Mount. Filter thread: 43mm. Nokton Classic.