Leica Alpa Angelo Pelle Angenieux Artisan & Artist Astro-Berlin Boyer Canon Carl Zeiss Contax Dallmeyer Fujinon Hasselblad Hugo Meyer Kinoptik Konica Meyer Optik MS-Optical Nikon Oberwerth Others Pentax PhaseOne Rollei Rolleiflex Schneider Thorsten Overgaard Voigtlander