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An improved stereocamera and control system for close-up photography of the fauna of the continental slope and outer shelf

Published online by Cambridge University Press:  11 May 2009

A. J. Southward ,
S. G. Robinson ,
D. Nicholson  and
T. J. Perry
A. J. Southward
Affiliation:
The Laboratory, Marine Biological Association, Citadel Hill, Plymouth
S. G. Robinson
Affiliation:
The Laboratory, Marine Biological Association, Citadel Hill, Plymouth
D. Nicholson
Affiliation:
The Laboratory, Marine Biological Association, Citadel Hill, Plymouth
T. J. Perry
Affiliation:
The Laboratory, Marine Biological Association, Citadel Hill, Plymouth
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Abstract

A stereocamera system is described, built-up mostly from commercially obtainable items. Special features include use of standard 55 mm focal length lenses down to 0.5 m focus, adjustable flash duration to improve image resolution, and a visual and audible pinger control for noisy ship conditions. Resolution in tank tests is better than 70 lines/mm, allowing photographs taken in the field to be enlarged to 3 times the natural size of the animals.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 56 , Issue 1 , February 1976 , pp. 247 - 257
Copyright
Copyright © Marine Biological Association of the United Kingdom 1976

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