Jan 17, 2023 Jaron Schneider Cosina Adds Voigtlander 50mm f/1 and 15mm f/4.5 to Nikon Z Mount Line Cosina has announced that it will release a Nokton 50mm f/1 Aspherical and a Super Wide-Heliar 15mm f/4.5 Aspherical for Nikon Z-mount full-frame mirrorless cameras. Jan 17, 2023