Imaging lens

Optical: systems and elements – Lens – Multiple component lenses

Reexamination Certificate

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Details

C359S740000

Reexamination Certificate

active

06989947

ABSTRACT:
The present invention is an imaging lens in which various aberrations are satisfactorily corrected, the optical length is short, and a sufficient back focus is secured. The imaging lens is constituted by arranging a first lens L1, an aperture diaphragm S1, a second lens L2, and a third lens L3in succession from the object side to the image side.

REFERENCES:
patent: 6379004 (2002-04-01), Walther et al.
patent: 6795253 (2004-09-01), Shinohara
patent: 6804067 (2004-10-01), Sato
patent: 2002/0012176 (2002-01-01), Ning
patent: 2002/0171121 (2002-12-01), Kawakami
patent: 2003/0210475 (2003-11-01), Shinohara
patent: 2004/0179275 (2004-09-01), Takeuchi et al.
patent: 1 348 990 (2003-10-01), None
patent: 07/325253 (1995-12-01), None
patent: 02/006917 (1998-04-01), None
patent: 10-301021 (1998-11-01), None
patent: 10-301022 (1998-11-01), None
patent: 2001-075006 (2001-03-01), None
patent: 2002-221659 (2002-08-01), None
patent: 2002-244030 (2002-08-01), None
patent: 2003-149545 (2003-05-01), None
patent: 2003-149548 (2003-05-01), None
patent: 2003-322792 (2003-11-01), None

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