Shop › Voigtlander 28mm f/1.5 Nokton Aspherical Sony E Voigtlander 28mm f/1.5 Nokton Aspherical Sony E $749.00 sold out Voigtlander 28mm f/1.5 Nokton Aspherical — a manual-focus lens for Sony E-Mount. Sony. Sold Out Added! Voigtlander 28mm f/1.5 Nokton Aspherical — a manual-focus lens for Sony E-Mount. Sony.