Title:
Optical finder
Document Type and Number:
Japanese Patent JP6167599
Kind Code:
B2
Abstract:
An optical viewfinder is configured to be attached to a camera body with an interchangeable lens. The optical viewfinder includes: a Keplerian viewfinder optical system 301 including a scalable objective lens group 330; a stepping motor 305 configured to drive the objective lens group 330 along an optical axis; and a control circuit configured to control driving of the stepping motor 305 based on a result of detection by a PI 306. When a variable focal length lens (an interchangeable lens) is attached to a camera body, the control circuit controls driving of the stepping motor 305 in accordance with a focal length of the variable focal length lens and displays at least a photographing frame on an EVF panel 307.
More Like This:
| JP2001013549 | FINDER AND CAMERA |
| JP3554366 | High-magnification real-image viewfinder |
Inventors:
Shintani Dai
Application Number:
JP2013065111A
Publication Date:
July 26, 2017
Filing Date:
March 26, 2013
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
G03B13/06; G03B13/12; G03B13/14; G03B17/14; H04N5/225
Domestic Patent References:
| JP2007116271A | ||||
| JP6022185A | ||||
| JP2003255214A | ||||
| JP3055976A | ||||
| JP9322104A | ||||
| JP9005854A | ||||
| JP2001290208A | ||||
| JP2007328156A | ||||
| JP7193737A |
Attorney, Agent or Firm:
Maeda patent office
Previous Patent: An information processor, an information processing method, and a computer program
Next Patent: SLIDE GUIDE OF PRESS MACHINE
Next Patent: SLIDE GUIDE OF PRESS MACHINE