Optical system, imaging apparatus, and method for forming...

Details Optical system, imaging apparatus, and method for forming... Optical system, imaging apparatus, and method for forming...

2011-04-05

2011-04-05

Dinh, Jack (Department: 2873)

Optical: systems and elements

Lens

Multiple component lenses

C359S900000

Reexamination Certificate

active

07920341

ABSTRACT:
Providing an optical system having excellent optical performance, an imaging apparatus, and a method for forming an image by the optical system. The optical system includes, in order from an object, a first lens group G1having negative refractive power, a second lens group G2having positive refractive power, a third lens group G3having negative refractive power, and a fourth lens group G4having positive refractive power. At least one of the first lens group G1, the second lens group G2, the third lens group G3, and the fourth lens group G4has at least one A lens satisfying given conditional expressions.

REFERENCES:
patent: 6618198 (2003-09-01), Endo
patent: 6972909 (2005-12-01), Hamano et al.
patent: 7102829 (2006-09-01), Nishimura
patent: 7196852 (2007-03-01), Nishimura
patent: 7259920 (2007-08-01), Sekita
patent: 7307794 (2007-12-01), Saori
patent: 7307795 (2007-12-01), Sekita
patent: 7403345 (2008-07-01), Ichikawa et al.
patent: 7443599 (2008-10-01), Kohno et al.
patent: 11-174329 (1999-07-01), None
patent: 2004-061910 (2004-02-01), None
patent: 2004-61910 (2004-02-01), None
patent: 2005-092056 (2005-04-01), None
patent: 2005-234460 (2005-09-01), None
patent: 2005-242014 (2005-09-01), None
patent: 2005-309124 (2005-11-01), None
patent: 2006-113573 (2006-04-01), None
Extended European Search Report and Opinion from EP Appln. No. 08252316.8.

Affiliated with

Also associated with

Rating

Optical system, imaging apparatus, and method for forming... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical system, imaging apparatus, and method for forming..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical system, imaging apparatus, and method for forming... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2636847