Optical: systems and elements – Lens – Multiple component lenses
Patent
1990-06-11
1992-06-02
Arnold, Bruce Y.
Optical: systems and elements
Lens
Multiple component lenses
G02B 960
Patent
active
051191172
ABSTRACT:
An objective lens system for use with wavelengths in the visible spectrum, has first and second lens groups. The first lens group has one aplanat lens. The second lens group is a doublet. The second lens group is designed to correct for chromatic aberrations introduced by the first lens group. The power of the second lens group is inversely related to the index of refraction of the first lens group and the optical glasses of the lenses of the second lens group are selected to satisfy a novel color correction equation.
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Herzberger, "Dispersion" and Color Correction in Optical Systems, Modern Geometrical Optics, interscience Publisher, Inc., New York, (1958), pp. 108-146.
"Chromatic Aberration", Kingslake, Lens Design Fundamentals, Academic Press, New York, 1978, pp. 73-92.
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The Melles-Griot Catalog, pp. 1-12 to 1-15 and 5-10 to 5-14, (1988).
Arnold Bruce Y.
Gass Rebecca D.
ITT Corporation
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