Paper B–5: A Comparison of High-Speed Photographic Films with Different Vigorous Development Conditions

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPTE
Volume: 71, No. 1A, pp. 80–86
Abstract: A series of exposure-development tests was conducted to determine the most effective combination of high-speed film and processing procedure to be used with ultra-high-speed framing and streak cameras for investigations of explosive and shock-wave phenomena. Data obtained from the varied experience of technical personnel and film manufacturers' recommendations influenced the design of a brief-exposure electronic-flash sensitometric device using a calibrated gray step-scale for a standard image. Various “strong” developers were used including stock solutions of paper and x-ray as well as standard commercial film developers. Films were processed at 70 F for normal, normal +50% and twice normal time. Densities were measured on the Welch Densichron and curves plotted. The rating of films in reference to the minimum exposure necessary to raise film density to 0.1 above fog as well as 1.0 above fog was based on ASA and DIN criteria. Royal-X Pan (Kodak) proved to be fastest with Isopan Record (Agfa) next; although, it required 1/2-stop more exposure for equal useful density. Other films tested, such as Superior 4 (Du Pont) and special-purpose films such as Shellburst, Photoflure and ID2, showed useful characteristics worth considering in special applications.
Publication Date: 1962-01-01
DOI: 10.5594/J18076XY
ISSN: Print: 0361-4573
Link: https://doi.org/10.5594/J18076XY
Author(s): Zev Pressman
Copyright: © 1962 Society of Motion Picture and Television Engineers, Inc.

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Zev Pressman; Paper B–5: A Comparison of High-Speed Photographic Films with Different Vigorous Development Conditions, Journal of the SMPTE ( Volume: 71, Issue: 1A, 1962); SMPTE, 1962. Available at https://doi.org/10.5594/J18076XY

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Zev Pressman; Paper B–5: A Comparison of High-Speed Photographic Films with Different Vigorous Development Conditions, Journal of the SMPTE ( Volume: 71, Issue: 1A, 1962); SMPTE, 1962. Available at https://doi.org/10.5594/J18076XY

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<span class="citation">Zev Pressman; <cite>Paper B–5: A Comparison of High-Speed Photographic Films with Different Vigorous Development Conditions</cite>, Journal of the SMPTE ( Volume: 71, Issue: 1A, 1962); SMPTE, 1962. Available at <a href="https://doi.org/10.5594/J18076XY" target="_blank" rel="noopener">https://doi.org/10.5594/J18076XY</a></span>

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Zev Pressman; <cite id="bib-10-5594-j18076xy">Paper B–5: A Comparison of High-Speed Photographic Films with Different Vigorous Development Conditions</cite>, Journal of the SMPTE ( Volume: 71, Issue: 1A, 1962); SMPTE, 1962
<span class="doi">10.5594/J18076XY</span>
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