Publisher's Synopsis
Excerpt from Development and Operation of Television for Studying Fish Behavior in Otter Trawls
To meet these requirements, an Image Orthicon camera was chosen because it can produce a picture of adequate quality with as little as one-half foot-candle Of illu mination. Other types, such as Vidicon or C. P. S. Emitron, require considerably more illumination. The disadvantages of Image Orthicon equipment are greater bulk, more complex circuitry, and higher cost. These were accepted, however, as high sensitivity is essential for Observing fish under low illumination without risk of changing their behavior by use of artificial light.
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