Zoom lens and image capture apparatus

Details Zoom lens and image capture apparatus Zoom lens and image capture apparatus

2007-12-14

2009-06-23

Sugarman, Scott J (Department: 2873)

Optical: systems and elements

Lens

With variable magnification

C359S683000

Reexamination Certificate

active

07551366

ABSTRACT:
A zoom lens includes, in order from an object side, a first lens group having a positive refractive power and fixed in an optical axis direction, a second lens group having a negative refractive power and moving along an optical axis to zoom, a third lens group having a positive refractive power and fixed in the optical axis direction, and a fourth lens group having a positive refractive power and moving in a non straight line along the optical axis to compensate variations of an image formation position and compensate change of the image formation position caused by changes of an object distance.

REFERENCES:
patent: 5414562 (1995-05-01), Ueda et al.
patent: 5537255 (1996-07-01), Tochigi
patent: 5933283 (1999-08-01), Hamano et al.
patent: 5969879 (1999-10-01), Park et al.
patent: 6342973 (2002-01-01), Kikuchi et al.
patent: 04-358108 (1992-12-01), None
patent: 2000-330018 (2000-11-01), None
patent: 2001-033700 (2001-02-01), None
patent: 2003-005071 (2003-01-01), None
European Search Report with Written Opinion dated Apr. 9, 2008 for corresponding European Application No. 07 25 4799.
European Patent Office Communication pursuant to Article 94(3) EPC issued Jan. 21, 2009 for corresponding European Application No. 07 254 799.5.
Japanese Office Action issued Oct. 9, 2008 for corresponding Japanese Application No. 2006-344505.

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