GB 2 066 504 A1981
Assignee: VEB Carl Zeiss Jena
Inventors: Eberhard Dietzsch, Heinz-Dietrich Siegert, Erich Greiner
1 related patent across 1 interactive lens diagram.
Assignee: VEB Carl Zeiss Jena
Inventors: Eberhard Dietzsch, Heinz-Dietrich Siegert, Erich Greiner