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Journal of the Society of Motion Picture Engineers ( Volume: 39, Issue: 8, August 1942)
[ACTIVE]

Stop Calibration of Photographic Objectives

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPE
Volume
39, No. 8, pp. 119–122
Abstract
The principle of a null-indicating densitometer has been adapted to the measurement of camera lens iris settings. An optical system calibrated in accordance with the described technic is rendered amenable to precise calculation of the luminous flux per unit area in any part of the field, with particular stress laid on the axial condition.
Publication Date
1942-08-01
DOI
10.5594/J09871
ISSN
Print: 0097-5834
Link
https://doi.org/10.5594/J09871
Author(s)
E. W. SilvertoothParamount Pictures, Inc., Hollywood, Calif.
Copyright
© 1942 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • 1 Clark D. B. Laube G. : “Twentieth Century Camera and Accessories,” J. Soc. Mot. Pict. Eng. , XXXVI (Jan., 1941 ); p. 50 . EXTERNAL
  • 2 Lyons W. Heller R. E. : “A Direct Reading Vacuum-Tube Milli-voltmeter,” Electronics (Nov., 1939 ), p. 25 . EXTERNAL
  • 3 Benford F. : “Illumination in the Focal Plane,” J. Opt. Soc. Amer. (May, 1941 ), p. 362 . EXTERNAL
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E. W. Silvertooth; Stop Calibration of Photographic Objectives, Journal of the Society of Motion Picture Engineers ( Volume: 39, Issue: 8, August 1942); SMPTE, 1942. Available at https://doi.org/10.5594/J09871
Snippet:
E. W. Silvertooth; Stop Calibration of Photographic Objectives, Journal of the Society of Motion Picture Engineers ( Volume: 39, Issue: 8, August 1942); SMPTE, 1942. Available at https://doi.org/10.5594/J09871

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Preview:
E. W. Silvertooth; Stop Calibration of Photographic Objectives, Journal of the Society of Motion Picture Engineers ( Volume: 39, Issue: 8, August 1942); SMPTE, 1942. Available at https://doi.org/10.5594/J09871
Snippet:
<span class="citation">E. W. Silvertooth; <cite>Stop Calibration of Photographic Objectives</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 39, Issue: 8, August 1942); SMPTE, 1942. Available at <a href="https://doi.org/10.5594/J09871" target="_blank" rel="noopener">https://doi.org/10.5594/J09871</a></span>

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Preview:
E. W. Silvertooth; Stop Calibration of Photographic Objectives, Journal of the Society of Motion Picture Engineers ( Volume: 39, Issue: 8, August 1942); SMPTE, 1942
doi: 10.5594/J09871
url: https://doi.org/10.5594/J09871
Snippet:
<li>
E. W. Silvertooth; <cite id="bib-10-5594-j09871">Stop Calibration of Photographic Objectives</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 39, Issue: 8, August 1942); SMPTE, 1942
<span class="doi">10.5594/J09871</span>
</li>

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