Title:
INTERCHANGEABLE LENS
Document Type and Number:
Japanese Patent JP2017126076
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an interchangeable lens that allows an image to be excellently taken.SOLUTION: An interchangeable lens is mountable/demountable to and from a camera via the camera or accessory. The interchangeable lens comprises: a diaphragm that regulates the amount of light passing through an optical system; and a control unit that, when an aperture value of the diaphragm upon taking pictures by means of the camera is greater than a first aperture value, controls the aperture value of the diaphragm upon detecting a focus position of the optical system by means of the camera so as to be equal to or smaller than the first aperture value.SELECTED DRAWING: Figure 1
Inventors:
TAKAHARA HIROAKI
Application Number:
JP2017032703A
Publication Date:
July 20, 2017
Filing Date:
February 23, 2017
Export Citation:
Assignee:
NIKON CORP
International Classes:
G02B7/28; G03B7/095; G03B13/36; G03B17/14; H04N5/232; H04N5/238
Domestic Patent References:
| JP2013019977A | 2013-01-31 | |||
| JP2009251557A | 2009-10-29 | |||
| JP2008203428A | 2008-09-04 | |||
| JP2010217618A | 2010-09-30 | |||
| JP2008096796A | 2008-04-24 | |||
| JP2010054730A | 2010-03-11 | |||
| JPH103032A | 1998-01-06 |
Attorney, Agent or Firm:
Eternal patent business corporation