Shop › Voigtlander 35mm f/1.4 Nokton Classic RF Voigtlander 35mm f/1.4 Nokton Classic RF $699.00 sold out Voigtlander 35mm f/1.4 Nokton Classic — a manual-focus lens for Canon RF Mount. Filter thread: 58mm. Sold Out Added! Voigtlander 35mm f/1.4 Nokton Classic — a manual-focus lens for Canon RF Mount. Filter thread: 58mm.