Underwater color correction

Details Underwater color correction Underwater color correction

1993-12-16

1998-02-17

Dzierzynski, Paul M.

Optical: systems and elements

Absorption filter

G02B 522

Patent

active

057197156

ABSTRACT:
A filter for underwater color correction is described which could be characterized by optical transmission exhibiting more attenuation of blue/green light than red light and having a ratio of transmission at 600 nanometers and 700 nanometers substantially less than 50%.

REFERENCES:
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patent: 3619695 (1971-11-01), Nameda et al.
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patent: 4542959 (1985-09-01), Kreutzig
patent: 4626071 (1986-12-01), Wada et al.
patent: 4642413 (1987-02-01), Oushinsky
patent: 4643537 (1987-02-01), Vance
Extracts, Handbook of Ocean and Underwater Engineering, McGraw-Hill Book Co., 1969, pp. 3-22 -- 3-27 and 3-30 -- 3-35.
Schenck, Jr. et al, Underwater Photography, Chapter IV, "Underwater Exposure -- Natural Light", Cornell Maritime Press, Cambridge, Maryland, 1957, pp. 69-90.
Adams et al, "Exposure Control for Underwater Photography", Electro-Optical Systems Design Conference, 1971, pp. 336-339.
Biays, "Aquacolor.RTM. Underwater Cinematography: Breaking the Available Light and Color Barriers Underwater", SMPTE Journal, Mar. 1985, pp. 270-287.
Cardone, "ClearOptic Lenses Add Color and Contrast to your Underwater World", Skin Diver, May 1989.
Dawson, "Banishing the Blues: Discovering the Reef's True Colors", Florida Keys Magazine, Dec. 1987, pp. 12-19.
Frink, "Warmer U/W Photos"?, Skin Diver, Dec. 1983, pp. 42-43.
Herbst, "New Filter Banishes the Underwater Blues", Photo District News, May 1986.
Holland, "Filters May Improve your U/W Photography", Underwater USA, Feb. 1988.
Murphy, "The Whale Sharpeye", Skin Diver, May 1987, pp.46-47.
Rowlands, The Underwater Photographer's Handbook, Van Nostrand Reinhold Co., pp. 74-75.

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