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.
Patent No.:
Date of Patent:
Oct. 30, 2012
Filed:
Dec. 23, 2010
Tatsuo Saito, Saitama, JP;
Tadayoshi Edamoto, Saitama, JP;
Tatsuo Saito, Saitama, JP;
Tadayoshi Edamoto, Saitama, JP;
Fujifilm Corporation, Tokyo, JP;
Abstract
The lens apparatus according to an aspect of the present invention includes: a focus lens which is driven for bringing a desired subject into focus; a zoom lens which is driven for changing a focal length; and a diaphragm having an aperture diameter which is changed for adjusting an amount of photography light, and the lens apparatus is configured to adjust a position of the focus lens, to thereby perform flange back distance adjustment. In such a lens apparatus, the aperture diameter of the diaphragm is changed at a time of mode transition between a photography mode in which a normal photographing operation is possible and an adjustment mode in which the flange back distance adjustment is possible. Accordingly, the user can instantly know whether or not the lens apparatus is in the flange back distance adjustment mode, only by checking a video picture photographed by a television camera.