Journal of the Society of Motion Picture and Television Engineers ( Volume: 54, Issue: 4, April 1950)

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An Experimental 35-Mm Multilayer Stripping Negative Film

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: The so-called “three-strip” method is generally considered to give the best results when taking professional color motion pictures. An objection to this method is that it requires the use of a special camera fitted with a beam-splitter prism. This paper describes work that led to the development of a single multilayer negative film which can be used in any standard motion picture camera. After exposure and before development, the two upper layers are wet-stripped separately onto special transfer supports. Thus the single support of the multilayer film bears three color-sensitive emulsions in the following order: a red-sensitive layer next to the support, an intermediate green-sensitive layer, and an upper blue-sensitive layer. The red- and green-sensitive layers, and the green- and blue-sensitive layers are each separated by interlayers which facilitate stripping of the two upper layers. The film has an over-all thickness about the same as standard motion picture negative film. Its speed is such that good negatives of an open landscape can be exposed at f/8 or even f/11. An experimental stripping machine is described which accurately registers the perforations of the two stripped layers with those of the original film on which remains the red-sensitive layer.
Publication Date: 1950-04-01
DOI: 10.5594/J05230
Link: https://doi.org/10.5594/J05230
Author(s): John G. Capstaff

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John G. Capstaff; An Experimental 35-Mm Multilayer Stripping Negative Film, Journal of the Society of Motion Picture and Television Engineers ( Volume: 54, Issue: 4, April 1950); SMPTE, 1950. Available at https://doi.org/10.5594/J05230

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John G. Capstaff; An Experimental 35-Mm Multilayer Stripping Negative Film, Journal of the Society of Motion Picture and Television Engineers ( Volume: 54, Issue: 4, April 1950); SMPTE, 1950. Available at https://doi.org/10.5594/J05230

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<span class="citation">John G. Capstaff; <cite>An Experimental 35-Mm Multilayer Stripping Negative Film</cite>, Journal of the Society of Motion Picture and Television Engineers ( Volume: 54, Issue: 4, April 1950); SMPTE, 1950. Available at <a href="https://doi.org/10.5594/J05230" target="_blank" rel="noopener">https://doi.org/10.5594/J05230</a></span>

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<li>
John G. Capstaff; <cite id="bib-10-5594-j05230">An Experimental 35-Mm Multilayer Stripping Negative Film</cite>, Journal of the Society of Motion Picture and Television Engineers ( Volume: 54, Issue: 4, April 1950); SMPTE, 1950
<span class="doi">10.5594/J05230</span>
</li>