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Proceedings Paper

Centering Optical Lenses
Author(s): Ernst Loh
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Paper Abstract

In the production of optical lenses, particular importance is attached to centering, the final processing stage. This operation has very high demands on quality because it has the greatest influence on the standard of a lens objective. This paper describes the traditional centering method of the cementing or exchange spindle technique compared to centering by bell clamping. The laser centering devices developed in the last few years are explained with details about their principle and function. Finally, modern centering machines are presented together with laser centering devices for checking centered lenses and for precision cementing for lens assemblies. The lecture is completed by remarks on diamond tools used for centering.

Paper Details

Date Published: 10 November 1983
PDF: 9 pages
Proc. SPIE 0381, Optical Surface Technology, (10 November 1983); doi: 10.1117/12.934838
Show Author Affiliations
Ernst Loh, Wilhelm Loh Optikmaschinen GmbH & Co. (West Germany)

Published in SPIE Proceedings Vol. 0381:
Optical Surface Technology
Hermann Walter, Editor(s)

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