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Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 6, June 1935)
[ACTIVE]

Some Factors in Photographic Sensitivity

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
Discussion is limited to gelatino-silver halide emulsions for development. Sensitivity is broadly defined as the reciprocal of the minimum incident light-energy per unit area giving a definable effect upon development. This definition is illustrated from the characteristic curve. The factors discussed are (a) intrinsic properties of silver halide layer; and (b) extrinsic factors, or exposure conditions. Under (a) are discussed grain size, nucleation, optical sensitizing, inhibition, layer thickness, etc.; under (b), intensity level of illumination, temperature, and humidity. Sensitivity is also envisaged broadly as a differential between progressive and regressive phases of latent-image formation.
Publication Date
1935-06-01
DOI
10.5594/J05408
Link
https://doi.org/10.5594/J05408
Author(s)
S. E. Sheppard
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S. E. Sheppard; Some Factors in Photographic Sensitivity, Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 6, June 1935); SMPTE, 1935. Available at https://doi.org/10.5594/J05408
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S. E. Sheppard; Some Factors in Photographic Sensitivity, Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 6, June 1935); SMPTE, 1935. Available at https://doi.org/10.5594/J05408

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S. E. Sheppard; Some Factors in Photographic Sensitivity, Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 6, June 1935); SMPTE, 1935. Available at https://doi.org/10.5594/J05408
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<span class="citation">S. E. Sheppard; <cite>Some Factors in Photographic Sensitivity</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 6, June 1935); SMPTE, 1935. Available at <a href="https://doi.org/10.5594/J05408" target="_blank" rel="noopener">https://doi.org/10.5594/J05408</a></span>

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Preview:
S. E. Sheppard; Some Factors in Photographic Sensitivity, Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 6, June 1935); SMPTE, 1935
doi: 10.5594/J05408
url: https://doi.org/10.5594/J05408
Snippet:
<li>
S. E. Sheppard; <cite id="bib-10-5594-j05408">Some Factors in Photographic Sensitivity</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 6, June 1935); SMPTE, 1935
<span class="doi">10.5594/J05408</span>
</li>