Lens barrel and image pickup apparatus

Details Lens barrel and image pickup apparatus Lens barrel and image pickup apparatus

2011-01-18

2011-01-18

Choi, William C (Department: 2873)

Optical: systems and elements

Lens

With support

C359S813000, C348S086000

Reexamination Certificate

active

07872820

ABSTRACT:
An image pickup apparatus enabling construction of a small bending optical system with high magnification. A first lens group is movably disposed toward an object on a first optical axis. A second lens group is movably disposed radially inward of the first lens group. The second lens group comprises a drive frame drivingly controlled along the first optical axis and a lens holding frame for holding the second lens group. A prism is disposed on the first optical axis, for bending light incident on the prism to thereby guide the light along a second optical axis. The prism is retracted along the second optical axis in a non-shooting state. In the non-shooting state, the second lens group is retracted and accommodated in a space defined by the drive frame and the lens holding frame and a space occupied by the prism in a shooting state.

REFERENCES:
patent: 7369326 (2008-05-01), Yagyu et al.
patent: 7426085 (2008-09-01), Yoshitsugu et al.
patent: 2003/0147146 (2003-08-01), Mikami
patent: 2006/0098306 (2006-05-01), Yoshitsugu et al.
patent: 1769942 (2006-05-01), None
patent: 11-271829 (1999-10-01), None
patent: 2006-259685 (2006-09-01), None
patent: 4028721 (2007-12-01), None
The above referensce were cited in a Jul. 14, 2010 Chinese Office Action, which is enclosed with English Translation, that issued in Japanese Patent Application No. 200910158573.6.

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