Shop › Voigtlander 50mm f/2.0 Aspherical VM Voigtlander 50mm f/2.0 Aspherical VM $999.00 sold out Voigtlander 50mm f/2.0 Aspherical — a manual-focus lens for Leica M Mount. Filter thread: 49mm. Apo-Lanthar. Sold Out Added! Voigtlander 50mm f/2.0 Aspherical — a manual-focus lens for Leica M Mount. Filter thread: 49mm. Apo-Lanthar.