Factors Affecting Determination of Monochrome Television Film Exposure and Speed Indexing

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPTE
Volume: 73, No. 4, pp. 305–313
Abstract: Significant monochrome telefilm exposure-determining factors are examined relative to exposure research literature, the basis for American and German still photography film speed standards, and typical multiplexed telecine systems. Theoretical, graphical and pictorial evidence is offered to indicate that neither the “fractional gradient criterion” nor the “fixed density above fog” concept fits the telefilm situation, due to the interjection of the telecine transfer characteristic into the chain of processes between the scene and its TV reproduction. A systems analysis method for determining telefilm exposure requirements is described, the effects of flare light are considered, and a television approach to film speed indexing is described.
Publication Date: 1964-04-01
DOI: 10.5594/J07257
ISSN: Print: 0361-4573
Link: https://doi.org/10.5594/J07257
Author(s): Harold WrightCanadian Broadcasting Corp., P.O. Box 478, Postal Terminal “A,” Ottawa 2, Ont., Canada
Copyright: © 1964 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

Image Gradation, Graininess and Sharpness in Television and Motion Picture Systems: Part I: Image Structure and Transfer Characteristics [Active]
On Photographic Exposure and Exposure Meters [Active]
The Photometric Range of Outdoor Scenes [Active]
Black-and-White Television Monitoring and Video Levels [Active]
An Engineering Approach to Television Film [Active]
The Effect of Camera Exposure on the Tone-Reproduction Quality of Motion Pictures [Active]
1. Jones L. A. , “The evaluation of negative film speeds in terms of print quality,” J. Franklin Inst. , 227 : 297 , 497 , 1939 . L. A. Jones and C. N. Nelson, “A study of various sensitometric criteria of negative film speeds,” J. Opt. Soc. Am., 30: 93, 1940. EXTERNAL
10. Jones L. A. Condit H. R. , “The brightness scale of exterior scenes and the computation of correct photographic exposure,” J. Opt. Soc. Am. , 31 : 651 – 678 , Nov. 1941 . EXTERNAL
11. Munsell A. E. O. Sloan L. L. Godlove I. H. , “Neutral value scales,” J. Opt. Soc. Am. , 23 : Nov. 1933 . EXTERNAL
12. Ladd J. H. Pinney J. E. , “Empirical relationships with the Munsell value scale,” Proc. IRE , 43 : Sept. 1955 . EXTERNAL
14. Quinn S. F. Dickson J. Bowie , “New CBC vidicon telecine operating standards with particular reference to the gray-scale characteristic,” to be present on April 14, 1964, at the Society's Technical Conference in Los Angeles. EXTERNAL
4. Jones L. A. Condit H. R. , “Sunlight and skylight as determinants of photographic exposure,” Part I , J. Opt. Soc. Am. , 38 : 123 – 178 , Feb. 1948 . EXTERNAL
8. James T. H. Higgins G. C. , Fundamentals of Photographic Theory , John Wiley and Sons, Inc. , New York , 1948 . EXTERNAL
9. Nelson C. N. , “Safety factors in camera exposures,” Phot. Sci. Eng. , 4 : No. 1 , 48 – 58 , Jan./Feb. 1960 . EXTERNAL

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Harold Wright; Factors Affecting Determination of Monochrome Television Film Exposure and Speed Indexing, Journal of the SMPTE ( Volume: 73, Issue: 4, April 1964); SMPTE, 1964. Available at https://doi.org/10.5594/J07257

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Harold Wright; Factors Affecting Determination of Monochrome Television Film Exposure and Speed Indexing, Journal of the SMPTE ( Volume: 73, Issue: 4, April 1964); SMPTE, 1964. Available at https://doi.org/10.5594/J07257

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<span class="citation">Harold Wright; <cite>Factors Affecting Determination of Monochrome Television Film Exposure and Speed Indexing</cite>, Journal of the SMPTE ( Volume: 73, Issue: 4, April 1964); SMPTE, 1964. Available at <a href="https://doi.org/10.5594/J07257" target="_blank" rel="noopener">https://doi.org/10.5594/J07257</a></span>

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Harold Wright; <cite id="bib-10-5594-j07257">Factors Affecting Determination of Monochrome Television Film Exposure and Speed Indexing</cite>, Journal of the SMPTE ( Volume: 73, Issue: 4, April 1964); SMPTE, 1964
<span class="doi">10.5594/J07257</span>
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Referenced By

Exposure Control [Active]
Progress Committee Report for 1964 [Active]