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Patent Searching and Data


Title:
レンズ装置
Document Type and Number:
Japanese Patent JP5384318
Kind Code:
B2
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.

Inventors:
Tatsuo Saito
Tadayoshi Edamoto
Application Number:
JP2009295476A
Publication Date:
January 08, 2014
Filing Date:
December 25, 2009
Export Citation:
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Assignee:
FUJIFILM Corporation
International Classes:
G02B7/08; G03B9/02; G03B17/02
Domestic Patent References:
JP9197261A
JP5236323A
JP11127376A
JP2005018035A
JP2006067327A
JP2002174837A
Attorney, Agent or Firm:
Kenzo Matsuura



 
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