IMAGING OPTICAL DEVICE
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United States of America Patent
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N/A
Issued Date -
Jan 1, 2015
app pub date -
Jul 1, 2013
filing date -
Jul 1, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An imaging optical device includes a first lens group, which includes a first lens sub-group and a second lens sub-group that are physically connected without intermediate substance nor air existed therebetween and disposed in an order from an object side to an image side. The first lens sub-group has a positive refractive power, and the second lens sub-group has a negative refractive power.
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