Lens systems comprising plastic and liquid lens elements
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United States of America Patent
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-
Aug 21, 1990
Grant Date -
N/A
app pub date -
Jul 13, 1989
filing date -
Jul 13, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Lens triplets (two achromats and a apochromat) are disclosed that are well-corrected for chromatic aberration and for spherochromatism. Each triplet comprises two identical acrylic lens elements and a liquid lens element.
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Cited Art Landscape
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