Shop › Voigtlander 28mm f/1.5 Type I Aspherical VM (Silver) Voigtlander 28mm f/1.5 Type I Aspherical VM (Silver) $999.00 sold out Voigtlander 28mm f/1.5 Type I Aspherical — a manual-focus lens for Leica M Mount. Filter thread: 43mm. Vintage Line Aluminium 250g. Sold Out Added! Voigtlander 28mm f/1.5 Type I Aspherical — a manual-focus lens for Leica M Mount. Filter thread: 43mm. Vintage Line Aluminium 250g.