DE 444150 C↗1927Assignee: Voigtländer & Sohn AGInventors: Hans DeserVOIGTLÄNDER CINE-TELE-ANASTIGMAT 100mm f/4.5 (patent model)— 4 ELEMENTS / 3 GROUPS, 100 mm f/4.5 PATENT NOMINALVOIGTLÄNDER TELE-DYNAR 100mm f/6.3 (patent-normalized)— 5 ELEMENTS / 3 GROUPS, 100 mm f/6.3 PATENT NOMINAL