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21 September 1998 Liquid-filled underwater camera lens system
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Proceedings Volume 3482, International Optical Design Conference 1998; (1998) https://doi.org/10.1117/12.321967
Event: International Optical Design Conference, 1998, Kona, HI, United States
Abstract
A novel underwater camera lens design is presented which replaces all interstitial air spaces with a low refractive index liquid to allow pressure compensation of the system in a thinner, safer diving package. The optical design presented overcomes the loss of refractive power by the liquid in a high performance, all spherical, f/1.2 lens, which operates over a 20-degree field of view. A design modulation transfer function of 0.85 is obtained at a typical CCD frequency of 50 lp/mm.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
John S. Laudo, Ken Wurm, and Cliff Dodson "Liquid-filled underwater camera lens system", Proc. SPIE 3482, International Optical Design Conference 1998, (21 September 1998); https://doi.org/10.1117/12.321967
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