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Journal of the SMPTE ( Volume: 76, Issue: 4, April 1967)
[ACTIVE]

The Sharpness Characteristics of a New Black-and-White Positive Fine-Grain Film

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Volume
76, No. 4, pp. 361–363
Abstract
Visual contrast is largely dependent upon the sharpness of the photographic reproduction. This sharpness can be characterized to a certain extent by the modulation transfer function (MTF) of the material involved. It appears that the MTF of modern commercial black-and-white print films all have at least one common aspect: the modulation transfer at low frequencies does not reach to the 100% level. Therefore, a loss of contrast is introduced in the system by the printing material. The relative importance of the reproduction of these details in the whole of the reproduction varies in inverse ratio to the enlargement scale. The MTF of an experimental positive fine-grain film called Type 562 E has been improved so that the visual contrast is increased.
Publication Date
1967-04-01
DOI
10.5594/J09167
ISSN
Print: 0361-4573
Link
https://doi.org/10.5594/J09167
Author(s)
Jan J. JespersPhotographic Research Laboratories, Gevaert-Agfa N.V., Septestr. 27, Mortsel (Antwerp), Belgium
Copyright
© 1967 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • An Objective Method for Rating Picture Sharpness: SMT Acutance [Active]
  • 1. De Belder M. Jespers J. Verbrugghe R. , “On the evaluation of the modulation transfer function of Photographic Materials,” Phot. Sci. Eng. , 9 : 314 – 318 , Sept./Oct. 1965 . EXTERNAL
  • 2. Simonds J. L. Kelch J. R. Higgins G. C. , “Analysis of fine detail reproduction in photographic systems,” Appl. Opt. , 3 : 23 – 28 1964 . EXTERNAL
  • 4. De Belder M. De Kerf J. Jespers J. Verbrugghe R. , “Light diffusion in photographic layers: Its influence on sensitivity and modulation transfer,” J. Opt. Soc. Am. , 55 : 1261 – 1268 , 1965 ; also unpublished results. EXTERNAL
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Jan J. Jespers; The Sharpness Characteristics of a New Black-and-White Positive Fine-Grain Film, Journal of the SMPTE ( Volume: 76, Issue: 4, April 1967); SMPTE, 1967. Available at https://doi.org/10.5594/J09167
Snippet:
Jan J. Jespers; The Sharpness Characteristics of a New Black-and-White Positive Fine-Grain Film, Journal of the SMPTE ( Volume: 76, Issue: 4, April 1967); SMPTE, 1967. Available at https://doi.org/10.5594/J09167

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Jan J. Jespers; The Sharpness Characteristics of a New Black-and-White Positive Fine-Grain Film, Journal of the SMPTE ( Volume: 76, Issue: 4, April 1967); SMPTE, 1967. Available at https://doi.org/10.5594/J09167
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<span class="citation">Jan J. Jespers; <cite>The Sharpness Characteristics of a New Black-and-White Positive Fine-Grain Film</cite>, Journal of the SMPTE ( Volume: 76, Issue: 4, April 1967); SMPTE, 1967. Available at <a href="https://doi.org/10.5594/J09167" target="_blank" rel="noopener">https://doi.org/10.5594/J09167</a></span>

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Preview:
Jan J. Jespers; The Sharpness Characteristics of a New Black-and-White Positive Fine-Grain Film, Journal of the SMPTE ( Volume: 76, Issue: 4, April 1967); SMPTE, 1967
doi: 10.5594/J09167
url: https://doi.org/10.5594/J09167
Snippet:
<li>
Jan J. Jespers; <cite id="bib-10-5594-j09167">The Sharpness Characteristics of a New Black-and-White Positive Fine-Grain Film</cite>, Journal of the SMPTE ( Volume: 76, Issue: 4, April 1967); SMPTE, 1967
<span class="doi">10.5594/J09167</span>
</li>

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