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Optically triggered underwater cameras for marine biology
Breslau, L.R.; Clarke, G.L.; Edgerton, H.E. (1967). Optically triggered underwater cameras for marine biology, in: Hersey, J.B. (Ed.) Deep-sea photography. pp. 223-228
In: Hersey, J.B. (Ed.) (1967). Deep-sea photography. The John Hopkins Oceanographic Studies, 3. The John Hopkins Press: Baltimore. 310 pp., more
In: The John Hopkins Oceanographic Studies, more

Available in Authors 
    VLIZ: Technology [11073]

Keyword
    Marine

Authors  Top 
  • Breslau, L.R.
  • Clarke, G.L.
  • Edgerton, H.E.

Abstract
    A submarine camera - the luminescence camera - was designed and constructed for the purpose of investigating marine bioluminescence. The camera and strobelight unit contained an electronic control system which utilized a photomultiplier tube as the primary detector . Upon "seeing" a bioluminescent flash, the camera is triggered and a picture of the organism causing the bio-luminescence is obtained. This camera has been used extensively at sea and has produced many pictures. Another submarine camera- the interruption camera -was designed and constructed for the purpose of investigating the abundance of macroscopic life in the ocean. This camera contained an electronic control system which utilized a light beam and crystal-photocell primary detector. When a macroscopic organism interrupts the light beam, the camera is triggered and a picture of the organism is obtained. This camera is more recent than the bioluminescence camera and has not yet been used extensively at sea.

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