ST 8: A New Agfa-Gevaert Sound Negative Film Especially Suitable for Super 8

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: A new sound negative film, type 258, called ST 8, has been designed to improve the quality of optical soundtracks, especially in the super-8 format. Using an orthochromatic sensitization, a higher sensitivity is obtained with better optical characteristics such as sharpness and graininess, after processing in a conventional phenidone-hydroquinone developer. The higher sensitivity is useful for large film formats. Its increased optical quality results in a remarkable sound quality, especially in super 8. The photographic characteristics, such as darkroom sensitivity, latent image and influence of developing time have been optimized so that the new ST 8 film is readily adapted to any laboratory practice. The results obtained on cross modulation and frequency tests after printing on Gevacolor print film type 985 are discussed.
Publication Date: 1975-08-01
DOI: 10.5594/J13314
Link: https://doi.org/10.5594/J13314
Author(s): K. Staes, L. A. Hayen, R. G. L. Verbrugghe

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K. Staes, L. A. Hayen, and R. G. L. Verbrugghe; ST 8: A New Agfa-Gevaert Sound Negative Film Especially Suitable for Super 8, Journal of the SMPTE ( Volume: 84, Issue: 8, August 1975); SMPTE, 1975. Available at https://doi.org/10.5594/J13314

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K. Staes, L. A. Hayen, and R. G. L. Verbrugghe; ST 8: A New Agfa-Gevaert Sound Negative Film Especially Suitable for Super 8, Journal of the SMPTE ( Volume: 84, Issue: 8, August 1975); SMPTE, 1975. Available at https://doi.org/10.5594/J13314

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<span class="citation">K. Staes, L. A. Hayen, and R. G. L. Verbrugghe; <cite>ST 8: A New Agfa-Gevaert Sound Negative Film Especially Suitable for Super 8</cite>, Journal of the SMPTE ( Volume: 84, Issue: 8, August 1975); SMPTE, 1975. Available at <a href="https://doi.org/10.5594/J13314" target="_blank" rel="noopener">https://doi.org/10.5594/J13314</a></span>

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<li>
K. Staes, L. A. Hayen, and R. G. L. Verbrugghe; <cite id="bib-10-5594-j13314">ST 8: A New Agfa-Gevaert Sound Negative Film Especially Suitable for Super 8</cite>, Journal of the SMPTE ( Volume: 84, Issue: 8, August 1975); SMPTE, 1975
<span class="doi">10.5594/J13314</span>
</li>