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Photography without lenses

Technical note describes process whereby photographic records are produced by placing photographic film in direct contact with specimen

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Abstract

Good photographic records fo brittle coating, photoelasticity and moiré patterns can be obtained in certain cases by direct contact of the specimen and the photographic film. No lenses are required. Several examples of application of the technique are given. The method is particularly useful when brittle coating or moiré are applied to transparent curved developable surfaces.

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Authors and Affiliations

  1. Mechanics Department, Catholic University, Washington, D. C.

    A. J. Durelli (Professor), V. J. Parks (Assistant Professor) & L. Ferrer (Graduate Research Assistant)

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  1. A. J. Durelli
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  2. V. J. Parks
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  3. L. Ferrer
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Durelli, A.J., Parks, V.J. & Ferrer, L. Photography without lenses. Experimental Mechanics 8, 142–144 (1968). https://doi.org/10.1007/BF02326110

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  • DOI: https://doi.org/10.1007/BF02326110

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