Title:
CAMERA, INTERCHANGEABLE LENS, INTERMEDIATE ADAPTOR, AND CAMERA SYSTEM INCLUDING THEM
Document Type and Number:
WIPO Patent Application WO/2005/015282
Kind Code:
A1
Abstract:
A camera system has TTL phase difference-type AF devices (45, 46) built-in in a camera body (30) and detecting a focus displacement amount of an interchangeable lens (10); a first intermediate adaptor (20) removably installable between the camera body and the interchangeable lens in order to change optical characteristics of the lens; data memory portions (16, 23) built-in in the interchangeable lens and storing first data and second data; and a camera CPU (36) built-in in the camera body, correcting the detected result of the TTL phase difference-type AF devices by using the first data when the first intermediate adaptor is not installed, and correcting the detected result of the TTL phase difference-type AF devices by using the second data when the first intermediate adaptor is installed.
Inventors:
MIYASAKA TETSUO (JP)
Application Number:
PCT/JP2004/011094
Publication Date:
February 17, 2005
Filing Date:
August 03, 2004
Export Citation:
Assignee:
OLYMPUS CORP (JP)
MIYASAKA TETSUO (JP)
MIYASAKA TETSUO (JP)
International Classes:
G03B7/20; G02B7/28; G02B7/34; G02B15/10; G03B3/00; G03B13/36; G03B17/12; G03B17/14; H04N5/225; (IPC1-7): G02B7/28; G03B3/00; G03B17/12; G03B17/14
Foreign References:
| JPH0493824A | 1992-03-26 | |||
| JPS63199330A | 1988-08-17 | |||
| JPS63141030A | 1988-06-13 | |||
| JPH03240029A | 1991-10-25 | |||
| JPH09120026A | 1997-05-06 | |||
| JPH0283510A | 1990-03-23 | |||
| JPS63200132A | 1988-08-18 |
Other References:
See also references of EP 1669785A4
Attorney, Agent or Firm:
Suzuye, Takehiko c/o Suzuye & Suzuye (7-2 Kasumigaseki 3-chom, Chiyoda-ku Tokyo, JP)
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