A Wide-Angle, Underwater Camera Lens
JOSA, Vol. 40, Issue 12, pp. 823-823 (1950)
http://dx.doi.org/10.1364/JOSA.40.000823
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Abstract
An underwater camera lens covering a half-field of 37.5° is described. The area imaged with this lens is more than seven times that covered with the customary arrangement of a conventional camera lens behind a plane window.
Citation
E. M. THORNDIKE, "A Wide-Angle, Underwater Camera Lens," J. Opt. Soc. Am. 40, 823-823 (1950)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-40-12-823
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