发明名称 |
TTL exposure control apparatus in an interchangeable lens camera |
摘要 |
A TTL exposure control apparatus having a camera body to which different interchangeable lenses can be detachably attached is disclosed. At least one of the interchangeable lenses is an interchangeable wide-angle lens having a distortion. The wide-angle lens has a memory for storing an exposure correction value corresponding to the distortion. The camera body includes a photometering device which measures photometering data using light transmitted through the interchangeable lenses, and a photometering data correcting device for correcting the measurements by the photometering device in accordance with the exposure correction value read from the memory when the interchangeable wide-angle lens is attached to the camera body.
|
申请公布号 |
US5713053(A) |
申请公布日期 |
1998.01.27 |
申请号 |
US19960624119 |
申请日期 |
1996.03.29 |
申请人 |
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA |
发明人 |
HIRAI, ISAMU |
分类号 |
G03B7/20;G03B17/14;(IPC1-7):G03B7/08 |
主分类号 |
G03B7/20 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|