Voigtlander SUPER WIDE-HELIAR 15mm F4.5 Aspherical III VM Lens for Leica M EMS. Voigtlander NOKTON 35mm F1.2 Aspherical II VM Leica Mount Lens Japan EMS. Specification 35mm equivalent: 18-35mm equivalent Lens construction: 12 sheets group 9 Aperture blades number: seven