Zoom lens and image pickup apparatus

Details Zoom lens and image pickup apparatus Zoom lens and image pickup apparatus

2011-08-09

2011-08-09

Sugarman, Scott J (Department: 2873)

Optical: systems and elements

Lens

With variable magnification

C359S557000

Reexamination Certificate

active

07995284

ABSTRACT:
A zoom lens includes: a first lens group having a positive refracting power; a second lens group having a negative refracting power; a third lens group having a positive refracting power; a fourth lens group having a positive refracting power; and a fifth lens group having a positive or negative refracting power; the first, second, third, fourth and fifth lenses being disposed in order from the object side to the image side of the zoom lens.

REFERENCES:
patent: 7286299 (2007-10-01), Matsui
patent: 7426085 (2008-09-01), Yoshitsugu et al.
patent: 2008/0212201 (2008-09-01), Sato
patent: 2009/0324207 (2009-12-01), Hatakeyama et al.
patent: 2010/0271710 (2010-10-01), Ohashi
patent: 2010/0302650 (2010-12-01), Fujisaki
patent: 2006-064839 (2006-03-01), None
patent: 2006-276475 (2006-10-01), None

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