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Journal of the Society of Motion Picture Engineers ( Volume: 49, Issue: 6, December 1947)
[ACTIVE]

Callier Q of Various Motion Picture Emulsions

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPE
Volume
49, No. 6, pp. 506–522
Abstract
A physical transmission meter was built in which both the diffuse and the specular transmission of a film sample could be measured successively at the same point on the film. Q factors computed from these data are plotted as functions of the diffuse density. No base nor minimum density correction is made and hence the computed Q factors are effective rather than absolute values. A few examples are given showing the result of making such base density corrections. Data are given on a wide range of both picture and sound negative and positive materials. In each case, phototubes and filters were selected to simulate the effective range of spectral light used in the practical usage of the material.
Publication Date
1947-12-01
DOI
10.5594/J12660
ISSN
Print: 0097-5834
Link
https://doi.org/10.5594/J12660
Author(s)
J. G. Streiffert
Copyright
© 1947 Society of Motion Picture and Television Engineers, Inc.
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J. G. Streiffert; Callier Q of Various Motion Picture Emulsions, Journal of the Society of Motion Picture Engineers ( Volume: 49, Issue: 6, December 1947); SMPTE, 1947. Available at https://doi.org/10.5594/J12660
Snippet:
J. G. Streiffert; Callier Q of Various Motion Picture Emulsions, Journal of the Society of Motion Picture Engineers ( Volume: 49, Issue: 6, December 1947); SMPTE, 1947. Available at https://doi.org/10.5594/J12660

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Preview:
J. G. Streiffert; Callier Q of Various Motion Picture Emulsions, Journal of the Society of Motion Picture Engineers ( Volume: 49, Issue: 6, December 1947); SMPTE, 1947. Available at https://doi.org/10.5594/J12660
Snippet:
<span class="citation">J. G. Streiffert; <cite>Callier Q of Various Motion Picture Emulsions</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 49, Issue: 6, December 1947); SMPTE, 1947. Available at <a href="https://doi.org/10.5594/J12660" target="_blank" rel="noopener">https://doi.org/10.5594/J12660</a></span>

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Preview:
J. G. Streiffert; Callier Q of Various Motion Picture Emulsions, Journal of the Society of Motion Picture Engineers ( Volume: 49, Issue: 6, December 1947); SMPTE, 1947
doi: 10.5594/J12660
url: https://doi.org/10.5594/J12660
Snippet:
<li>
J. G. Streiffert; <cite id="bib-10-5594-j12660">Callier Q of Various Motion Picture Emulsions</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 49, Issue: 6, December 1947); SMPTE, 1947
<span class="doi">10.5594/J12660</span>
</li>

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