High-Sensivity Television as an Aid to Low-Light-Level Photographic Recording

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: High-sensitivity closed-circuit television equipment can be used as an aid to recording a scene where the effective exposure limitation is below the capability of direct photography. The monitor presentation is photographed by normal techniques. The effective speed of such systems has been increased rapidly during the past three years. Equivalent ASA ratings in excess of 100,000 are now available. The sensitivity of a well-designed closed-circuit television equipment is determined primarily by the pickup tube and the optics. The most sensitive tube available for the past several years has been the image orthicon or its variations. The sensitivity has been increased to the point that the statistical variation in light photons received is a limitation. The characteristics of these tubes, mode of operation and relative sensitivity are discussed.
Publication Date: 1961-09-01
DOI: 10.5594/J09384
Link: https://doi.org/10.5594/J09384
Author(s): Bernhard A. Bang

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Bernhard A. Bang; High-Sensivity Television as an Aid to Low-Light-Level Photographic Recording, Journal of the SMPTE ( Volume: 70, Issue: 9, September 1961); SMPTE, 1961. Available at https://doi.org/10.5594/J09384

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Bernhard A. Bang; High-Sensivity Television as an Aid to Low-Light-Level Photographic Recording, Journal of the SMPTE ( Volume: 70, Issue: 9, September 1961); SMPTE, 1961. Available at https://doi.org/10.5594/J09384

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<span class="citation">Bernhard A. Bang; <cite>High-Sensivity Television as an Aid to Low-Light-Level Photographic Recording</cite>, Journal of the SMPTE ( Volume: 70, Issue: 9, September 1961); SMPTE, 1961. Available at <a href="https://doi.org/10.5594/J09384" target="_blank" rel="noopener">https://doi.org/10.5594/J09384</a></span>

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Bernhard A. Bang; High-Sensivity Television as an Aid to Low-Light-Level Photographic Recording, Journal of the SMPTE ( Volume: 70, Issue: 9, September 1961); SMPTE, 1961
doi: 10.5594/J09384
url: https://doi.org/10.5594/J09384

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<li>
Bernhard A. Bang; <cite id="bib-10-5594-j09384">High-Sensivity Television as an Aid to Low-Light-Level Photographic Recording</cite>, Journal of the SMPTE ( Volume: 70, Issue: 9, September 1961); SMPTE, 1961
<span class="doi">10.5594/J09384</span>
</li>