Optical: systems and elements – Lens – Multiple component lenses
Reexamination Certificate
2007-11-27
2007-11-27
Thompson, Timothy (Department: 2873)
Optical: systems and elements
Lens
Multiple component lenses
C359S784000
Reexamination Certificate
active
10728745
ABSTRACT:
The invention relates to an image-formation optical system that meets both demands for high performance and compactness, and an imaging system that incorporates the same. The imaging system is built up of an image-formation optical system comprises, in order from its object side, an aperture stop S, a first positive single lens L1wherein the absolute value of the axial radius curvature of its image side-surface is smaller than that of its object side-surface, a second negative single lens L2wherein the absolute value of the axial radius curvature of its image side-surface is smaller than that of its object side-surface and a third positive single lens L3, three single lenses in all, and an image pickup device located on the image plane I of the image-formation optical system.
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Kenyon & Kenyon LLP
Olympus Corporation
Thompson Timothy
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