The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 05, 2010

Filed:

Apr. 21, 2008
Applicant:

Eiji Shirota, Hino, JP;

Inventor:

Eiji Shirota, Hino, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01); G02B 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An image pickup apparatus having an optical path reflecting zoom lens system includes a zoom lens system, and an image pickup element which is disposed at an image side of the zoom lens system. The zoom lens system includes in order from an object side thereof a first lens unit Ghaving a positive refracting power, which includes a reflecting optical member having a reflecting surface which reflects an optical path, a second lens unit Ghaving a negative refracting power, a third lens unit Ghaving a positive refracting power, a fourth lens unit Ghaving a positive refracting power, and an aperture stop S which is disposed between the second lens unit Gand the fourth lens unit G. The first lens unit Ghas a position fixed with respect to a position of the image pickup element. At least the second lens unit Gand the fourth lens unit Gmove and the zooming is carried out from a wide angle end to a telephoto end by changing a distance between each of lens units. The second lens unit Gincludes in order from the object side thereof, a negative lens, a positive lens, and a negative lens.


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