Shop › Voigtlander 40mm f/2.8 For Close-up Adapter VM Voigtlander 40mm f/2.8 For Close-up Adapter VM $399.00 sold out Voigtlander 40mm f/2.8 For Close-up Adapter — a manual-focus lens for Leica M Mount. Filter thread: 37mm. Heliar. Sold Out Added! Voigtlander 40mm f/2.8 For Close-up Adapter — a manual-focus lens for Leica M Mount. Filter thread: 37mm. Heliar.