Shop › Voigtlander 50mm f/1.0 Aspherical Nokton VM Voigtlander 50mm f/1.0 Aspherical Nokton VM $1,699.00 sold out Voigtlander 50mm f/1.0 Aspherical Nokton — a manual-focus lens for Leica M Mount. Filter thread: 62mm. Sold Out Added! Voigtlander 50mm f/1.0 Aspherical Nokton — a manual-focus lens for Leica M Mount. Filter thread: 62mm.