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

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
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
Link: https://doi.org/10.5594/J09167
Author(s): Jan J. Jespers

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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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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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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

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<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>