Title:
An interchangeable lens provided with a lens controller and a lens controller
Document Type and Number:
Japanese Patent JP5948645
Kind Code:
B2
Abstract:
A lens control apparatus, and an interchangeable lens including the lens control apparatus, are provided which can obtain, in zoom tracking operation, excellent optical images at subject distances in a wider range. A lens control apparatus controls drive of an optical system including a first and a second focus lens for adjusting a focus state and a zoom lens for adjusting an angle of view. The lens control apparatus includes: a first driver that drives the first focus lens; a second driver that drives the second focus lens; a controller that controls the first and second drivers; and a storage unit that stores first and second tracking data, the first and second tracking data each being information that associates a position of the first and second focus lenses respectively with a position of the zoom lens for focusing on a subject.
Inventors:
Takashi Abe
Hiroyuki Kawahara
Hiroyuki Kawahara
Application Number:
JP2012150621A
Publication Date:
July 06, 2016
Filing Date:
July 04, 2012
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
G02B7/08; H04N5/232
Domestic Patent References:
| JP2012073584A | ||||
| JP11084203A | ||||
| JP2002116366A |
Foreign References:
| WO2011048752A1 |
Attorney, Agent or Firm:
Mitsuo Tanaka
Samejima Mutsumi
Kawabata Junichi
Samejima Mutsumi
Kawabata Junichi
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