Cosina/Voigtlander has patents for 60mm f/0.95, 27mm f/0.95, and 17mm f/0.95 lenses



Cosina/Voigtlander has a new NOKTON 60mm f/0.95 lens patent application. There are also examples of 27mm f/0.95 and 17mm f/0.95 lenses with different design configurations (source: Japan patent application, via Asobinet).