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Journal of the Society of Motion Picture Engineers ( Volume: 21, Issue: 2, August 1933)
[ACTIVE]

The Use of Mazda Lamps for Color Photography

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
By operating the filaments of high-efficiency tungsten lamps at higher voltages than normal, not only are the operating characteristics of the lamps improved, but a more desirable spectral energy distribution for color photography is attained, the increase of the blue-violet radiation amounting to about 140 per cent of the increase of the red-orange radiation. In view of the fixed voltages used on sets, the lamps are, in effect, designed for lower voltage and wattage. Data on the candle-power distribution with suitable reflectors are presented.
Publication Date
1933-08-01
DOI
10.5594/J02043
Link
https://doi.org/10.5594/J02043
Author(s)
R. E. Farnham
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R. E. Farnham; The Use of Mazda Lamps for Color Photography, Journal of the Society of Motion Picture Engineers ( Volume: 21, Issue: 2, August 1933); SMPTE, 1933. Available at https://doi.org/10.5594/J02043
Snippet:
R. E. Farnham; The Use of Mazda Lamps for Color Photography, Journal of the Society of Motion Picture Engineers ( Volume: 21, Issue: 2, August 1933); SMPTE, 1933. Available at https://doi.org/10.5594/J02043

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R. E. Farnham; The Use of Mazda Lamps for Color Photography, Journal of the Society of Motion Picture Engineers ( Volume: 21, Issue: 2, August 1933); SMPTE, 1933. Available at https://doi.org/10.5594/J02043
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<span class="citation">R. E. Farnham; <cite>The Use of Mazda Lamps for Color Photography</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 21, Issue: 2, August 1933); SMPTE, 1933. Available at <a href="https://doi.org/10.5594/J02043" target="_blank" rel="noopener">https://doi.org/10.5594/J02043</a></span>

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Preview:
R. E. Farnham; The Use of Mazda Lamps for Color Photography, Journal of the Society of Motion Picture Engineers ( Volume: 21, Issue: 2, August 1933); SMPTE, 1933
doi: 10.5594/J02043
url: https://doi.org/10.5594/J02043
Snippet:
<li>
R. E. Farnham; <cite id="bib-10-5594-j02043">The Use of Mazda Lamps for Color Photography</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 21, Issue: 2, August 1933); SMPTE, 1933
<span class="doi">10.5594/J02043</span>
</li>