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Transactions of the Society of Motion Picture Engineers ( Volume: 10, Issue: 25, May 1926)
[ACTIVE]

The Effect of Projection Lens Flare upon the Contrast of a Motion Picture Image

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
Of the numerous factors which influence the motion picture screen reproduction of object tone values, the effect produced upon contrast by projection lens flare has received relatively little attention. Although this defect of image forming systems has been treated in texts on geometrical optics, the material is not in a form from which conclusions can readily be drawn regarding its practical effect upon image contrast. E. Goldberg<sup>1</sup> has very carefully considered the subject of flare in photographic objectives, but since the conditions of projection are essentially different from those existing in the camera, his results are not directly applicable without modification. It is the purpose of this work to examine the relative characteristics of the motion picture positive and its projected image and to attempt a quantitative explanation of the reduction in contrast which takes place upon projection.
Publication Date
1926-05-01
DOI
10.5594/J10297
Link
https://doi.org/10.5594/J10297
Author(s)
Loyd A. Jones, Clifton Tuttle
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Loyd A. Jones and Clifton Tuttle; The Effect of Projection Lens Flare upon the Contrast of a Motion Picture Image, Transactions of the Society of Motion Picture Engineers ( Volume: 10, Issue: 25, May 1926); SMPTE, 1926. Available at https://doi.org/10.5594/J10297
Snippet:
Loyd A. Jones and Clifton Tuttle; The Effect of Projection Lens Flare upon the Contrast of a Motion Picture Image, Transactions of the Society of Motion Picture Engineers ( Volume: 10, Issue: 25, May 1926); SMPTE, 1926. Available at https://doi.org/10.5594/J10297

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Loyd A. Jones and Clifton Tuttle; The Effect of Projection Lens Flare upon the Contrast of a Motion Picture Image, Transactions of the Society of Motion Picture Engineers ( Volume: 10, Issue: 25, May 1926); SMPTE, 1926. Available at https://doi.org/10.5594/J10297
Snippet:
<span class="citation">Loyd A. Jones and Clifton Tuttle; <cite>The Effect of Projection Lens Flare upon the Contrast of a Motion Picture Image</cite>, Transactions of the Society of Motion Picture Engineers ( Volume: 10, Issue: 25, May 1926); SMPTE, 1926. Available at <a href="https://doi.org/10.5594/J10297" target="_blank" rel="noopener">https://doi.org/10.5594/J10297</a></span>

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Loyd A. Jones and Clifton Tuttle; The Effect of Projection Lens Flare upon the Contrast of a Motion Picture Image, Transactions of the Society of Motion Picture Engineers ( Volume: 10, Issue: 25, May 1926); SMPTE, 1926
doi: 10.5594/J10297
url: https://doi.org/10.5594/J10297
Snippet:
<li>
Loyd A. Jones and Clifton Tuttle; <cite id="bib-10-5594-j10297">The Effect of Projection Lens Flare upon the Contrast of a Motion Picture Image</cite>, Transactions of the Society of Motion Picture Engineers ( Volume: 10, Issue: 25, May 1926); SMPTE, 1926
<span class="doi">10.5594/J10297</span>
</li>