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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 5, Iss. 5 — May. 1, 1966
  • pp: 687–694

Lens Making for Scientific Instrumentation in the Seventeenth Century

Silvio A. Bedini  »View Author Affiliations


Applied Optics, Vol. 5, Issue 5, pp. 687-694 (1966)
http://dx.doi.org/10.1364/AO.5.000687


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Abstract

With the invention of the telescope and the microscope early in the 17th century, the production of optical lenses became an important factor in the development of these instruments for scientific observation and investigation. In spite of improvements in equipment and techniques, the obstacles to the production of suitable lenses were not surmounted until the 18th century because of lack of knowledge of the optical properties of lenses, and the difficulties in producing glass of suitable clarity due to primitive grinding and polishing techniques. The early astronomical lenses were produced by means of the primitive equipment of the mirror makers and polishers of pietre dure in Murano and Venice. The first professional apparatus for lens grinding and polishing was developed by Ippolito Francini of Florence, and subsequently improved by Eustachio Divini and Carlo Antonio Manzini. A major advance in the equipment and techniques was made by Giuseppe Campani of Rome in the second half of the century. Other important contributions were made by Christiaan Huygens in Holland and John Marshall in England. Toward the end of the 17th century, craftsmen in England and France made great strides in the improvement of apparatus and techniques for lens grinding and polishing. In spite of them, however, optical workshop practice improved extremely slowly, and it remained virtually unchanged into the 19th century.

© 1966 Optical Society of America

History
Original Manuscript: July 19, 1965
Published: May 1, 1966

Citation
Silvio A. Bedini, "Lens Making for Scientific Instrumentation in the Seventeenth Century," Appl. Opt. 5, 687-694 (1966)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-5-5-687

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