Heinz Marquardt — Lens Patent Author | Surface & Stop

Heinz Marquardt2 related patents across 2 interactive lens diagrams.
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Ernst Leitz GmbH (2)
Ernst Leitz GmbH(2)US 3,552,833↗1971Assignee: Ernst Leitz GmbH
Inventors: Heinz Marquardt
Sole exampleLEICA MACRO-ELMARIT-R 60mm f/2.8— 6 elements / 5 groups, f = 61.4 mm design, 60 mm nominal
DE 2 222 892 A1↗1973Assignee: Ernst Leitz GmbH
Inventors: Georg Knetsch, Hermann Desch, Heinz Marquardt, Walter Watz
Example 3LEICA SUMMICRON-C 40mm f/2— 6 ELEMENTS / 4 GROUPS, f = 39.9987 mm (DESIGN)