Theoretical and Practical Analysis of Underwater Optics
Final technical rept.
NAVAL PHOTOGRAPHIC CENTER WASHINGTON DC RESEARCH AND DEVELOPMENT DEPT
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Tests were run on an Underwater Calibrator and compared with the plane parallel window with an air lens and the Corrector approach. Design criteria are discussed for lens selection depending on the particular application. Test results indicated that lenses designed specifically for underwater photography outperforms air lenses adapted for underwater imaging. Resolution and distortion for water lenses was superior for wide angle coverage. The Corrector and Concentric Dome approach resulted in similar results. The Concentric Dome has better structural strength than any plane parallel window or corrector.