Design Considerations For Underwater Lenses With Water Contact Elements Concentric With The Entrance Pupil

W. Mandler

doi:10.1117/12.946745

1 August 1968 Design Considerations For Underwater Lenses With Water Contact Elements Concentric With The Entrance Pupil

W. Mandler

Author Affiliations +

Proceedings Volume 0012, Underwater Photo-Optical Instrumentation Applications II; (1968) https://doi.org/10.1117/12.946745
Event: Underwater Photo-Optical Instrumentation Applications, 1968, San Diego, United States

Abstract

The combined aberrations of a concentric dome and a lens are discussed. It is shown that a major part of the aberrations cannot be directly attributed to the dome,but is caused by a drastic change in conjugates, which the dome imposes on the lens. Modulation Transfer Curves are presented for comparing the image quality of a highly corrected conventional photographic lens behind a concentric dome with the image quality of a dome-lens combination with integral correction. It is shown that the first approach should only be used for small apertures and field angles.

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W. Mandler "Design Considerations For Underwater Lenses With Water Contact Elements Concentric With The Entrance Pupil", Proc. SPIE 0012, Underwater Photo-Optical Instrumentation Applications II, (1 August 1968); https://doi.org/10.1117/12.946745

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