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Journal of the SMPTE ( Volume: 80, Issue: 1, January 1971)
[ACTIVE]

Use of Calcium Fluoride for Zoom Lenses of High Quality for Cinematography and Television

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPTE
Volume
80, No. 1, pp. 22–24
Abstract
The recent development of zoom lenses owes much to advanced computer techniques, such as automatic lens design, and also to techniques for precise image evaluation. It is obvious, however, that because of lens configuration and materials which have been used, the development of lens systems will find the limit sooner or later. Several attempts have been made to find ways of overcoming the limit. At present, in the case of a zoom lens, the most effective way seems to be the use of artificial crystals, especially calcium fluoride, which is quite effective in reducing chromatic aberrations. The development of a zoom lens containing calcium fluoride elements has been made possible by the achievement of a production system to synthesize large blocks of artificial calcium fluoride at moderate cost.
Publication Date
1971-01-01
DOI
10.5594/J13544
ISSN
Print: 0361-4573
Link
https://doi.org/10.5594/J13544
Author(s)
Yoshiya MatsuiYoshiya Matsui, Optics Div., Canon Inc., 30–2 Shimomaruko 3-Chome, Ohta-ku, Tokyo 144, Japan
Copyright
© 1971 Society of Motion Picture and Television Engineers, Inc.
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Yoshiya Matsui; Use of Calcium Fluoride for Zoom Lenses of High Quality for Cinematography and Television, Journal of the SMPTE ( Volume: 80, Issue: 1, January 1971); SMPTE, 1971. Available at https://doi.org/10.5594/J13544
Snippet:
Yoshiya Matsui; Use of Calcium Fluoride for Zoom Lenses of High Quality for Cinematography and Television, Journal of the SMPTE ( Volume: 80, Issue: 1, January 1971); SMPTE, 1971. Available at https://doi.org/10.5594/J13544

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Preview:
Yoshiya Matsui; Use of Calcium Fluoride for Zoom Lenses of High Quality for Cinematography and Television, Journal of the SMPTE ( Volume: 80, Issue: 1, January 1971); SMPTE, 1971. Available at https://doi.org/10.5594/J13544
Snippet:
<span class="citation">Yoshiya Matsui; <cite>Use of Calcium Fluoride for Zoom Lenses of High Quality for Cinematography and Television</cite>, Journal of the SMPTE ( Volume: 80, Issue: 1, January 1971); SMPTE, 1971. Available at <a href="https://doi.org/10.5594/J13544" target="_blank" rel="noopener">https://doi.org/10.5594/J13544</a></span>

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Preview:
Yoshiya Matsui; Use of Calcium Fluoride for Zoom Lenses of High Quality for Cinematography and Television, Journal of the SMPTE ( Volume: 80, Issue: 1, January 1971); SMPTE, 1971
doi: 10.5594/J13544
url: https://doi.org/10.5594/J13544
Snippet:
<li>
Yoshiya Matsui; <cite id="bib-10-5594-j13544">Use of Calcium Fluoride for Zoom Lenses of High Quality for Cinematography and Television</cite>, Journal of the SMPTE ( Volume: 80, Issue: 1, January 1971); SMPTE, 1971
<span class="doi">10.5594/J13544</span>
</li>

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