Optical device with increased depth of field
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United States of America Patent
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Sep 8, 2009
Grant Date -
Jan 25, 2007
app pub date -
Jul 18, 2006
filing date -
Jul 20, 2005
priority date (Note) -
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Abstract
The invention relates to an optical device (500) with a device (600) for increasing the depth of field having at least one optical element (3) with different focal lengths (f.sub.1, f.sub.2).
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