Shop › Voigtlander 23mm f/1.2 Aspherical Z Mount (DX format) Voigtlander 23mm f/1.2 Aspherical Z Mount (DX format) $499.00 sold out Voigtlander 23mm f/1.2 Aspherical — a manual-focus lens for Nikon Z Mount (DX). DX-format (APS-C) lens. Filter thread: 46mm. Nokton. Sold Out Added! Voigtlander 23mm f/1.2 Aspherical — a manual-focus lens for Nikon Z Mount (DX). DX-format (APS-C) lens. Filter thread: 46mm. Nokton.