发明名称 Automatic light adjustment apparatus for a camera on which a photographic lens can be freely mounted
摘要 An automatic light adjustment apparatus for a camera on which a photographic lens can be mounted freely comprises a flash device capable of emitting light, a photometric device which divides a field into a plurality of areas for the photometry of the light beam which is emitted from the flash device and reflected by each of the areas, in which the light beam is arranged to reach the photometric device after being reflected by the film plane, a photometric output correcting device which corrects the photometric output of the photometric device in accordance with the characteristics of the mounted photographic lens, and a light adjustment controlling device which suspends the light emission of the flash device in accordance with the photometric output corrected by the photometric output correcting device.
申请公布号 US5504553(A) 申请公布日期 1996.04.02
申请号 US19950486692 申请日期 1995.06.07
申请人 NIKON CORPORATION 发明人 TAKAGI, TADAO
分类号 G03B7/16;G03B7/099;G03B7/28;G03B15/05;(IPC1-7):G03B15/05 主分类号 G03B7/16
代理机构 代理人
主权项
地址