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Current document root: Journal of the Society of Motion Picture and Television Engineers ( Volume: 56, Issue: 1, January 1951)

Diffuse and Collimated T-Numbers: A Review and Description of New Equipment

SMPTE • Journal Article • [Active]

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  • 1. “Report of the SMPTE Subcommittee on Lens Calibration,” Jour. SMPE , vol. 53 , pp. 368 – 378 , Oct. 1949 .EXTERNAL
  • 10. Clarke D. B. Laube G. , “Twentieth Century camera and accessories,” Jour. SMPE , vol. 36 , pp. 50 – 64 , Jan. 1941 ; also U. S. Pat. 2,334,906, 1943.EXTERNAL
  • 11. Sachtleben L. T. , “Method of calibrating lenses,” U. S. Pat. 2,419,421, 1947 .EXTERNAL
  • 12. Gardner I. C. , “Compensation of the aperture ratio markings of a photographic lens for absorption, reflection, and vignetting losses,” Jour. SMPE , vol 49 , pp. 96 – 110 , Aug. 1947 ; also J. Res. Nat. Bur. Stand. , vol. 38, pp. 643–650, June 1947.EXTERNAL
  • 13. Back F. G. , “A simplified method for precision calibration of effective f-stops,” Jour. SMPE , vol. 49 , pp. 122 – 130 , Aug. 1947 .EXTERNAL
  • 14. Berlant E. , “A system of lens stop calibration by transmission,” Jour. SMPE , vol. 46 , pp. 17 – 25 , Jan. 1946 .EXTERNAL
  • 15. Murray A. E. , “The photometric calibration of lens apertures,” Jour. SMPE , vol. 47 , pp. 142 – 151 , Aug. 1946 .EXTERNAL
  • 16. Forch C. Lehmann E. , “Die Lichtverluste in photographischen Objectiven,” Kinotechnik , vol. 10 , pp. 3 – 7 , Jan. 5, 1928 .EXTERNAL
  • 17. Klughardt A. Otto H. , “Licht-stärkemessung hinter photographischen Objectiven den Kleinbild Kamera,” Photographische Industrie , vol. 34 , pp. 608 – 610 , May 1936 .EXTERNAL
  • 18. Kochs A. , “Lichtstärke und relative Offnung von Kine-Objectiven,” Kinotechnik , vol. 22 , pp. 154 – 157 , Nov. 1940 .EXTERNAL
  • 2. Silvertooth E. W. , “Stop calibration of photographic objectives,” Jour. SMPE , vol. 39 , pp. 119 – 122 , Aug. 1942 .EXTERNAL
  • 3. Daily C. R. , “A lens calibrating system,” Jour. SMPE , vol. 46 , pp. 343 – 356 , May 1946 .EXTERNAL
  • 4. Townsley M. G. , “An instrument for photometric calibration of lens iris scales,” Jour. SMPE , vol. 49 , pp. 111 – 122 , Aug. 1947 .EXTERNAL
  • 5. Odencrants A. , “A new method for the determination of the true transparency of photographic objectives,” Science et Industries Photographiques , vol. 6M , p. 57 , Nov. 1926 .EXTERNAL
  • 6. Hrdlicka J. , “Measuring the effective illumination of photographic objects,” Jour. SMPE , vol. 14 , pp. 531 – 533 , May 1930 .EXTERNAL
  • 7. Lambert J. H. , “Ostwald's Klassiker der Exakten Wissenschaften,” Nr. 31, Part 2, Chapters III and IV, Engelmann , Leipzig , 1892 .EXTERNAL
  • 8. McRae D. B. , “The measurement of transmission and contrast in optical instruments,” J. Opt. Soc. Amer. , vol. 33 , pp. 229 – 243 , April 1943 .EXTERNAL
  • 9. Moffitt G. W. , “Determining photographic absorption of lenses,” J. Opt. Soc. Amer. , vol. 4 , pp. 83 – 90 , May 1920 .EXTERNAL