Photography – With viewfinder
Reexamination Certificate
2011-06-14
2011-06-14
Fuller, Rodney E (Department: 2862)
Photography
With viewfinder
C359S431000, C359S643000
Reexamination Certificate
active
07962035
ABSTRACT:
Providing a viewfinder optical system capable of obtaining given magnification and a given eyepoint, suitable for an SLR digital camera and an SLR camera, an optical apparatus equipped therewith, and a method for expanding observation. The viewfinder optical system M including an eyepiece optical system15for observing a real image of an object formed by an objective lens11through an erecting image forming member14, the eyepiece optical system15consisting of, in order from the object along an optical axis, a double concave negative lens, a double convex positive lens, a lens, and a meniscus lens having a convex surface facing the object; an optical apparatus10equipped therewith; and a method for expanding observation.
REFERENCES:
patent: 5357374 (1994-10-01), Ohno
patent: 5729382 (1998-03-01), Morita et al.
patent: 5926321 (1999-07-01), Shikama
patent: 5986816 (1999-11-01), Shikama
patent: 6253033 (2001-06-01), Hasushita
patent: 6263168 (2001-07-01), Hasushita et al.
patent: 6417973 (2002-07-01), Mihara et al.
patent: 6968128 (2005-11-01), Itoh
patent: 7145732 (2006-12-01), Matsusaka et al.
patent: 7391968 (2008-06-01), Takato
patent: 2003/0156834 (2003-08-01), Ogata
patent: 2006/0066950 (2006-03-01), Mitsuki et al.
patent: 2009/0220224 (2009-09-01), Tochigi et al.
patent: 09-329752 (1997-12-01), None
patent: 2003-215471 (2003-07-01), None
patent: 2003-215471 (2003-07-01), None
Fuller Rodney E
Miles & Stockbridge P.C.
Nikon Corporation
Smith Linda B
LandOfFree
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