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Transactions of the Society of Motion Picture Engineers ( Volume: 11, Issue: 32, September 1927)
[ACTIVE]

A Trial and Error Method of Preparing a Motion Picture Sensitometer Tablet

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
In motion picture film laboratories sensitometers or timing machines frequently are employed for accurately determining the printing exposure required by the various scenes of a negative. One type of sensitometer consists essentially of a printing machine which exposes the negative onto positive film through a tablet made of areas of uniform density (each the size of a single motion picture frame) and of increasing density from one end of the tablet to the other. The density of the various steps of the tablet is such that with the proper time of exposure the positive film receives exposures over a distance of nine or more frames equivalent to those given by the various light steps on the printer. By examination of the developed sensitometer strip, the correctly exposed frame is then chosen by inspection and a number on the particular frame indicates the correct printer exposure (Fig. 1).
Publication Date
1927-09-01
DOI
10.5594/J13158
Link
https://doi.org/10.5594/J13158
Author(s)
C. E. Ives, J. I. Crabtree
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C. E. Ives and J. I. Crabtree; A Trial and Error Method of Preparing a Motion Picture Sensitometer Tablet, Transactions of the Society of Motion Picture Engineers ( Volume: 11, Issue: 32, September 1927); SMPTE, 1927. Available at https://doi.org/10.5594/J13158
Snippet:
C. E. Ives and J. I. Crabtree; A Trial and Error Method of Preparing a Motion Picture Sensitometer Tablet, Transactions of the Society of Motion Picture Engineers ( Volume: 11, Issue: 32, September 1927); SMPTE, 1927. Available at https://doi.org/10.5594/J13158

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C. E. Ives and J. I. Crabtree; A Trial and Error Method of Preparing a Motion Picture Sensitometer Tablet, Transactions of the Society of Motion Picture Engineers ( Volume: 11, Issue: 32, September 1927); SMPTE, 1927. Available at https://doi.org/10.5594/J13158
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<span class="citation">C. E. Ives and J. I. Crabtree; <cite>A Trial and Error Method of Preparing a Motion Picture Sensitometer Tablet</cite>, Transactions of the Society of Motion Picture Engineers ( Volume: 11, Issue: 32, September 1927); SMPTE, 1927. Available at <a href="https://doi.org/10.5594/J13158" target="_blank" rel="noopener">https://doi.org/10.5594/J13158</a></span>

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Preview:
C. E. Ives and J. I. Crabtree; A Trial and Error Method of Preparing a Motion Picture Sensitometer Tablet, Transactions of the Society of Motion Picture Engineers ( Volume: 11, Issue: 32, September 1927); SMPTE, 1927
doi: 10.5594/J13158
url: https://doi.org/10.5594/J13158
Snippet:
<li>
C. E. Ives and J. I. Crabtree; <cite id="bib-10-5594-j13158">A Trial and Error Method of Preparing a Motion Picture Sensitometer Tablet</cite>, Transactions of the Society of Motion Picture Engineers ( Volume: 11, Issue: 32, September 1927); SMPTE, 1927
<span class="doi">10.5594/J13158</span>
</li>