Optical element, and taking optical system and image pickup apparatus using it
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United States of America Patent
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Nov 30, 1999
Grant Date -
N/A
app pub date -
Nov 6, 1995
filing date -
Nov 9, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical element comprises a lens made of a material for shutting off all or most of light in the infrared region, and an optical low-pass filter, wherein the lens and the optical low-pass filter are incorporated with each other.
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