发明名称 FLASH-PHOTOGRAPHING CONTROLLER FOR CAMERA
摘要 PURPOSE:To provide the flash-photographing controller of a camera which can execute precise flash-photographing corresponding to the actual brightness of an object. CONSTITUTION:As for the flash-photographing controller of the TTL type camera measuring light quantity passed through a photographing lens 12 and reflected on a film surface and controlling flash light quantity, a calculation means calculating difference between the open F value of the lens 12 and the controlled F value of a photographing time, a receiving means receiving the intrinsic information (for example, exit pupil position information) of the lens 12, a set means setting the light emission stop level of the flash light quantity based on the light quantity reflected on the film surface and a correction means correcting the light emission stop level according to the calculated result of the calculation means or the intrinsic information received by the receiving means are provided.
申请公布号 JPH06324375(A) 申请公布日期 1994.11.25
申请号 JP19930139552 申请日期 1993.05.17
申请人 ASAHI OPTICAL CO LTD 发明人 HIRAI ISAMU;TSUJI HIDEAKI
分类号 G03B7/16;G03B15/05 主分类号 G03B7/16
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