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Applied Optics

Applied Optics


  • Vol. 22, Iss. 8 — Apr. 15, 1983
  • pp: 1188–1191

Future lenses for 16-mm cinematograph projectors

K. D. Sharma  »View Author Affiliations

Applied Optics, Vol. 22, Issue 8, pp. 1188-1191 (1983)

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Designs of two-lens systems for use as 16-mm cinematograph projector objectives have been developed at a focal length of 50 mm and relative apertures of f/1.4 and f/1.2, respectively. The 50-mm f/1.4 system is comprised of five elements, and the 50-mm f/1.2 system is comprised of six elements. The proposed designs are not based on any known configuration, but their forms are arrived at from a hybrid approach combining the good points of some of the better known systems. The proposed systems are capable of giving extremely good performance, which has not been possible so far in the lenses of the same complexity in current use.

© 1983 Optical Society of America

Original Manuscript: October 6, 1982
Published: April 15, 1983

K. D. Sharma, "Future lenses for 16-mm cinematograph projectors," Appl. Opt. 22, 1188-1191 (1983)

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  1. C. G. Wynne, Proc. Phys. Soc. London 73, 777 (1959). [CrossRef]
  2. Optical Glass Catalogue (Central Glass and Ceramic Research Institute, Calcutta).
  3. A. E. Conrady, Applied Optics and Optical Design, Part 2 (Dover, New York, 1960), p. 640.
  4. R. E. Hopkins, H. Kerr, T. Laurosch, V. Carpenter, Natl. Bur. Stand. U.S., Circ. 526 (1954), pp. 183–204. Quoted by Rudolf Kingslake, Applied Optics and Optical Engineering, Vol. 3 (Academic, New York, 1965), p. 19.

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