发明名称 |
FLASH CONTROL SYSTEM, EXTERNAL FLASH AND CAMERA |
摘要 |
PROBLEM TO BE SOLVED: To accurately control the exposure by controlling the flashing of an external flash based on flashing of a built-in flash of a camera main body in a flash control system composed of the camera main body and the remotely controllable external flash. SOLUTION: The built-in flash 16 of the camera 10 is flashed only twice. The interval between two flashings by the flash 16 is made correspond to a guide number being an exposure condition, and the 2nd flashing is executed to be matched with the flashing of the external flash 100. The twice flashing of the flash 16 are detected by the external flash 100 to measure the flashing interval. The external flash 100 is flashed in accordance with the 2nd flashing of the flash 16 at the light quantity corresponding to the measured flashing interval of the flash 16. |
申请公布号 |
JP2000338573(A) |
申请公布日期 |
2000.12.08 |
申请号 |
JP20000077645 |
申请日期 |
2000.03.21 |
申请人 |
ASAHI OPTICAL CO LTD |
发明人 |
NUMAKO NORIO;KAWASAKI MASAHIRO |
分类号 |
G03B7/16;G03B15/02;G03B15/05 |
主分类号 |
G03B7/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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