Zoom lens system and electronic imaging device using the same
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United States of America Patent
Stats
-
Jan 10, 2012
Grant Date -
May 27, 2010
app pub date -
Nov 19, 2009
filing date -
Nov 26, 2008
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A zoom lens system includes a negative first lens group, a positive second lens group and a positive third lens group, in this order from the object. The second lens group includes a cemented lens having a positive first lens element and a negative second lens element, and a meniscus lens element having the concave surface facing toward the image. The zoom lens system satisfies the following conditions: -0.4
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