作者: Mitsutoshi Ohwada , Takaaki Yamagata , Yukichi Niwa , Shin Tsuda , Noriyuki Asano
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摘要: A focus detecting device which performs detection in such a manner that an image of object formed through forming lens is received by array many electric charge storing type photo-sensors and, under condition, the electrically scanned extracting, time serial manner, output each photo-sensor, and then sharpness detected from scanning thus obtained; or two images are range-finding optical system with apparent parallax corresponding to distance different arrays respectively separately other outputs obtained compared detect relative images. In this device, for making photo-sensor always correct irrespective variation brightness object, recycle duration automatically adjusted according object; accordingly, thereby.