Optical: systems and elements – Lens – With variable magnification
Reexamination Certificate
2010-09-24
2011-10-25
Lester, Evelyn A. (Department: 2873)
Optical: systems and elements
Lens
With variable magnification
C359S682000, C359S683000, C359S684000, C359S685000, C359S691000, C359S717000, C359S740000, C359S793000
Reexamination Certificate
active
08045275
ABSTRACT:
A compact wide-angle zoom lens and an image pickup device having the same. The zoom lens includes a first lens group having a negative refractive power and a second lens group having a positive refractive power in an order from an object side to an image side, performs zooming by varying a distance between the first and second lens groups, and performs focusing by using a first lens closest to the object side in the second lens group.
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Drinker Biddle & Reath LLP
Lester Evelyn A.
Samsung Electronics Co,. Ltd.
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